NSN 5310-00-186-0977 MS19070181, MS19070-181, M1176A

Product Details | KEY WASHER

5310-00-186-0977 A washer of nonresilient material usually having two parallel bearing surfaces. The outside and/or inside edges have one or more protuberances. The ends and/or edges may be prebent at any angle or the protuberances may be prebent at any angle to the bearing surfaces. The keys or lugs may be fitted into keyways in adjacent material or they may be bent over after application to hold or lock one or more items in place. Excludes thrust type washer.

Part Alternates: MS19070181, MS19070-181, M1176A, M2013R, MA4531DISSUE2PC130, MA4-531DISSUE2PC130, MA7024DISSUE1PC130, MA7-024DISSUE1PC130, MB16451PC18, MB1645-1PC18, MB1645PC18, AS111701543PC54, AS11-1701-543PC54, N10275PC169, N8240PCEC6034, N9775PC169, SKFW18, SN5751PCM1176A, HR22311, CF10018TC1PC125, CF100-18TC1PC125, CF10018TC1PCM1176A, CF100-18TC1PCM1176A, CF10019TC1PC145, CF100-19TC1PC145, CF10019TC1PCM1176A, CF100-19TC1PCM1176A, DR2527PC33, DR2566PC10, DR2583PC7, DR2589PC10, DR2636PC33, EC4786PCEC6034, EC6034, EC8000BPCEC6034, EC8000PCEC6034, F10015PC74, F100-15PC74, F10015PCM1176A, F100-15PCM1176A, F10015TCPC74, F100-15TCPC74, F10015TCPCM1176, F100-15TCPCM1176, G378815PC55, J1611625, J-16116-25, TDM1176A, R18439, X207190PC74, X207190PCM1176A, X207271APC125, X207271APCM1176A, X207284PC145, X207284PCM1176A, X8841APCM1176A, X8841PCM1176A, 72-6971-368, W18, W-18, 800265-740, 801087PC740, 801088PC740, 90074PCM1176A, 90097PC125, 90097PCM1176A, 90148PC145, 90148PCM1176A, 90190PC74, 90190PCM1176A, 91109278, 9B578, 0920048, 09-20048, 1060340800, 1-06034-0800, 127698, 12Z33549, 12Z335-49, 13388F, 13388-F , 13388FX, 14627PCM1176A, 16X9A18, 17652PCM1176A, 18317PCM1176A, 18439, 18Z1D16, 19400PC1176A, 20681PCM1176A, 20682PCM1176A, 321079, 322660PC163, 322661PC163, 332407SH3ITEM44, 3505118AA, 35051-18-AA, 53003022PC10, 53-003-022PC10, 53808GPC25, 53808MPC25, 60067HPC54, 60103EPC19, 60104FPC135, 60105HPC235, 60152DPC19, 60153DPC135, 60154FPC235, 60287PPC271, 60320G271, 6120989, 61209-89, 61209PC89, 61259PC89, 61944PC68, 61945PC68, 61946PC278, 5310-00-186-0977, 00-186-0977, 5310001860977, 726971368, 001860977, 800265740

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
53	01 JAN 1961	00-186-0977	01869 ( WASHER, KEY )

Drawings & Photos | NSN 5310-00-186-0977

Part Number	Request Date	QTY	Origin
5310-00-186-0977	2024-08-232	4	Taiwan
W-18	2012-01-29	100
5310-00-186-0977	2009-01-22	1	US
5310-00-186-0977	2008-04-109	1210	DIBBS
5310-00-186-0977	2008-02-50	773	DIBBS

Cross Reference | NSN 5310-00-186-0977

Part Number	Cage Code	Manufacturer
09-20048	1QUF0	KOLBERG-PIONEER, INC
09-20048	47353	PORTEC INC PIONEER DIV
1-06034-0800	70691	CAPITOL GEARS INC
127698	24617	GENERAL MOTORS CORP
12Z335-49	10001	NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT
13388-F	45152	OSHKOSH CORPORATION
13388-F	75Q65	OSHKOSH DEFENSE, LLC
13388FX	45152	OSHKOSH CORPORATION
13388FX	75Q65	OSHKOSH DEFENSE, LLC
14627PCM1176A	61208	TWIN DISC INCORPORATED
16X9A18	63734	KAITLIN CORP
17652PCM1176A	61208	TWIN DISC INCORPORATED
18317PCM1176A	61208	TWIN DISC INCORPORATED
18439	23926	KOMATSU AMERICA INTL CO
18Z1D16	27315	MORRIS MATERIAL HANDLING, INC.
19400PC1176A	61208	TWIN DISC INCORPORATED
20681PCM1176A	61208	TWIN DISC INCORPORATED
20682PCM1176A	61208	TWIN DISC INCORPORATED
321079	1ML14	D.W. HERCULES, LLC DBA HERCULES ENGINE COMPONENTS
321079	28265	HERCULES ENGINE CO INC
321079	70691	CAPITOL GEARS INC
322660PC163	1ML14	D.W. HERCULES, LLC DBA HERCULES ENGINE COMPONENTS
322660PC163	28265	HERCULES ENGINE CO INC
322660PC163	70691	CAPITOL GEARS INC
322661PC163	1ML14	D.W. HERCULES, LLC DBA HERCULES ENGINE COMPONENTS
322661PC163	28265	HERCULES ENGINE CO INC
322661PC163	70691	CAPITOL GEARS INC
332407SH3ITEM44	1ML14	D.W. HERCULES, LLC DBA HERCULES ENGINE COMPONENTS
332407SH3ITEM44	28265	HERCULES ENGINE CO INC
332407SH3ITEM44	70691	CAPITOL GEARS INC
35051-18-AA	50380	RELIANCE ELECTRIC
53-003-022PC10	92392	ALLIS-CHALMERS CORP
53808GPC25	08219	STONE SAFETY CORP
53808MPC25	08219	STONE SAFETY CORP
60067HPC54	65177	PATTERSON PUMP COMPANY
60103EPC19	65177	PATTERSON PUMP COMPANY
60104FPC135	65177	PATTERSON PUMP COMPANY
60105HPC235	65177	PATTERSON PUMP COMPANY
60152DPC19	65177	PATTERSON PUMP COMPANY
60153DPC135	65177	PATTERSON PUMP COMPANY
60154FPC235	65177	PATTERSON PUMP COMPANY
60287PPC271	65177	PATTERSON PUMP COMPANY
60320G271	65177	PATTERSON PUMP COMPANY
61209-89	65177	PATTERSON PUMP COMPANY
61209PC89	65177	PATTERSON PUMP COMPANY
61259PC89	65177	PATTERSON PUMP COMPANY
61944PC68	65177	PATTERSON PUMP COMPANY
61945PC68	65177	PATTERSON PUMP COMPANY
61946PC278	65177	PATTERSON PUMP COMPANY
72-6971-368	50024	COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE FM/ALCO
800265-740	21444	REXNORD LLC DIV FALK GEAR GROUP DIVISION
801087PC740	21444	REXNORD LLC DIV FALK GEAR GROUP DIVISION
801088PC740	21444	REXNORD LLC DIV FALK GEAR GROUP DIVISION
90074PCM1176A	61208	TWIN DISC INCORPORATED
90097PC125	61208	TWIN DISC INCORPORATED
90097PCM1176A	61208	TWIN DISC INCORPORATED
90148PC145	61208	TWIN DISC INCORPORATED
90148PCM1176A	61208	TWIN DISC INCORPORATED
90190PC74	61208	TWIN DISC INCORPORATED
90190PCM1176A	61208	TWIN DISC INCORPORATED
91109278	82796	COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE
9B578	11083	CATERPILLAR INC. DBA CATERPILLAR
9B578	61208	TWIN DISC INCORPORATED
AS11-1701-543PC54	65177	PATTERSON PUMP COMPANY
AS11-1701-543PC54	82126	MARE ISLAND NAVAL SHIPYARD
CF100-18TC1PC125	61208	TWIN DISC INCORPORATED
CF100-18TC1PCM1176A	61208	TWIN DISC INCORPORATED
CF100-19TC1PC145	61208	TWIN DISC INCORPORATED
CF100-19TC1PCM1176A	61208	TWIN DISC INCORPORATED
DR2527PC33	92392	ALLIS-CHALMERS CORP
DR2566PC10	92392	ALLIS-CHALMERS CORP
DR2583PC7	92392	ALLIS-CHALMERS CORP
DR2589PC10	92392	ALLIS-CHALMERS CORP
DR2636PC33	92392	ALLIS-CHALMERS CORP
EC4786PCEC6034	70691	CAPITOL GEARS INC
EC6034	1ML14	D.W. HERCULES, LLC DBA HERCULES ENGINE COMPONENTS
EC6034	28265	HERCULES ENGINE CO INC
EC6034	70691	CAPITOL GEARS INC
EC8000BPCEC6034	70691	CAPITOL GEARS INC
EC8000PCEC6034	70691	CAPITOL GEARS INC
F100-15PC74	61208	TWIN DISC INCORPORATED
F100-15PCM1176A	61208	TWIN DISC INCORPORATED
F100-15TCPC74	61208	TWIN DISC INCORPORATED
F100-15TCPCM1176	61208	TWIN DISC INCORPORATED
G378815PC55	72957	ELLIOTT COMPANY DIV JEANNETTE
HR22311	51228	ECOLAIRE INC BALDWIN-HAMILTON CO DIV
HR22311	70691	CAPITOL GEARS INC
J-16116-25	00293	BEAVER PRECISION PRODUCTS INC
J-16116-25	088K1	BEAVER AEROSPACE & DEFENSE, INC.
M1176A	61208	TWIN DISC INCORPORATED
M2013R	61208	TWIN DISC INCORPORATED
MA4-531DISSUE2PC130	65090	JERED BROWN BROS INC LIBERTY WORKS THE
MA4-531DISSUE2PC130	98523	JERED LLC DBA PAR
MA7-024DISSUE1PC130	65090	JERED BROWN BROS INC LIBERTY WORKS THE
MA7-024DISSUE1PC130	98523	JERED LLC DBA PAR
MB1645-1PC18	20263	MKT GEOTECHNICAL SYSTEMS
MB1645PC18	20263	MKT GEOTECHNICAL SYSTEMS
MS19070-181	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS
N10275PC169	51228	ECOLAIRE INC BALDWIN-HAMILTON CO DIV
N10275PC169	70691	CAPITOL GEARS INC
N8240PCEC6034	51228	ECOLAIRE INC BALDWIN-HAMILTON CO DIV
N8240PCEC6034	70691	CAPITOL GEARS INC
N9775PC169	51228	ECOLAIRE INC BALDWIN-HAMILTON CO DIV
N9775PC169	70691	CAPITOL GEARS INC
R18439	23926	KOMATSU AMERICA INTL CO
SKFW18	82796	COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE
SN5751PCM1176A	61208	TWIN DISC INCORPORATED
TDM1176A	61208	TWIN DISC INCORPORATED
W-18	D9182	BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
W18	01212	FEDERAL-MOGUL CORP GOVERNMENT SALES DEPT
W18	08219	STONE SAFETY CORP
W18	09348	LUCAS WESTERN INC
W18	1X0J7	VOLVO CONSTRUCTION EQUIPMENT NORTH AMERICA, LLC
W18	21335	TIMKEN COMPANY, THE DIV TIMKEN AEROSPACE
W18	21760	SCHATZ BEARING CORPORATION
W18	24617	GENERAL MOTORS CORP
W18	38443	SKF USA INC DBA SKF AEROENGINE NORTH AMERICA
W18	40152	VME AMERICAS INC SUB OF VME GROUP N V
W18	43334	GENERAL MOTORS CORP DELCO MORAINE NDH DIV
W18	43991	FAG BEARINGS CORPORATION
W18	47353	PORTEC INC PIONEER DIV
W18	52676	SKF USA INC.
W18	61208	TWIN DISC INCORPORATED
W18	65177	PATTERSON PUMP COMPANY
W18	72957	ELLIOTT COMPANY DIV JEANNETTE
W18	79568	WHITTET-HIGGINS COMPANY
W18	82796	COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE
W18	92392	ALLIS-CHALMERS CORP
X207190PC74	61208	TWIN DISC INCORPORATED
X207190PCM1176A	61208	TWIN DISC INCORPORATED
X207271APC125	61208	TWIN DISC INCORPORATED
X207271APCM1176A	61208	TWIN DISC INCORPORATED
X207284PC145	61208	TWIN DISC INCORPORATED
X207284PCM1176A	61208	TWIN DISC INCORPORATED
X8841APCM1176A	61208	TWIN DISC INCORPORATED
X8841PCM1176A	61208	TWIN DISC INCORPORATED

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Related Products | NSN 5310-00-186-0977

5310-00-186-0978, 5310-00-186-0979, 5310-00-186-0980, 5310-00-186-0982, 5310-00-186-0983

Technical Data | NSN 5310-00-186-0977

Characteristic	Specifications
MATERIAL	STEEL COMP 1005 OR STEEL COMP 1006 OR STEEL COMP 1008 OR STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1025 OR STEEL COMP 1030 OR STEEL COMP 1035 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD ALL MATERIAL RESPONSES OVERALL
HARDNESS RATING	50.0 ROCKWELL B MINIMUM AND 81.0 ROCKWELL B MAXIMUM
STYLE DESIGNATOR	153 KEY
EXTERNAL KEY QUANTITY	19
HOLE DIAMETER	3.582 INCHES MINIMUM AND 3.612 INCHES MAXIMUM
OUTSIDE DIAMETER	4.281 INCHES MINIMUM AND 4.326 INCHES MAXIMUM
INTERNAL PREBENT KEY LENGTH	0.188 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
EXTERNAL PREBENT KEY WIDTH	0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM
INTERNAL PREBENT KEY WIDTH	0.313 INCHES MINIMUM AND 0.353 INCHES MAXIMUM
OVERALL DISTANCE INCLUDING KEYS	4.938 INCHES MAXIMUM
MATERIAL THICKNESS	0.088 INCHES MINIMUM AND 0.100 INCHES MAXIMUM
III END ITEM IDENTIFICATION	W/S:SUPPLY CLASS AOE; STREAM (STD, TENSIONED REPLENISHMENT AT SEA METHOD); FMS-KNOX CLASS FF; WHICBEY ISLAND CLASS LSD; SYSTEMS, JP-5 AVIATION FUELS; TARAWA CLASS LHA; NIMITZ CLASS CVN; TRAILER, SEMI (M860A1)
MANUFACTURERS CODE	96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	MS19070-181

Restrictions/Controls & Freight Information | NSN 5310-00-186-0977

Restrictions
Freight

Category	Code	Description
Shelf-Life Code:	0	Nondeteriorative
Hazardous Material Indicator Code	N	There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:	A	Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:	U	UNCLASSIFIED
Precious Metals Indicator Code:	U	Precious metal type is unknown
Criticality Code:	X	The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Category	Code	Description
NMF Description	194160	WASHER OR GASKETS, IRON OR STEEL,
Less than car load rating
Less than truck load rating	U	50.0
Water commodity Code	713	unknown
Originating Activity Code	XX
Air Dimension Code	A	Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity	B	Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling	Z	No special handling required.
Special Handling Code	9	unknonwn
HAZMAT
Type of Cargo	Z	No special type of cargo code applicable

Management | NSN 5310-00-186-0977

Category	Code	Description
Materiel Category and Inventory Manager	T	Industrial Supplies (DLA/GSA Items)
Appropriation and Budget Activity	2	Stock Fund Secondary Items
Management Inventory Segment	2	NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic Code	0	Medical Materiel
Weapons Systems/End Item or Homogeneous Group	00	DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
Accounting Requirements Code	X	Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items.
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DA	Department of the Army
Service Organization	A	U.S. Army
Reparability	Z	This is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item.
Acquisition Advice Codes	V	TERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	A EA : Each

Category	Code	Description
Budget Code	9	General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors.
Fund Code	SF	Stock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Materiel Management Aggregation Code	SX	SX:AF SICA RESIDUAL MMAC-OC-ALC
Price Validation	V	The current standard price has been validated. The item has been analyzed in conjunction with the Zero Overpricing Program and is in the accepted price range. The item was procured under open competition and under the competitive arena the price is considered fair and reasonable. ZOP or Standard price challenges are permissible but must be supported by adequate justification.
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DF	Department of the Air Force
Service Organization	F	U.S. Air Force
Reparability	N	Stock Fund (except Munitions)
Acquisition Advice Codes	D	DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	A EA : Each

Category	Code	Description
Stores Account Code	1	Marine Corps Stock Fund Account Item.
Combat Essentiality Code	2	Non-Critical Repair Part. Repair parts or major components whose failure in an end item will not render the end item inoperative or reduce its effectiveness below the minimum acceptable level of efficiency, and which do not fit the definition of Code 3 or 4 items.
Materiel Management Code	B	All CommoditiesDefense Logistics Agency, (DLA,)
Echelon Management Code	2	ICP/DSSC Marine Corps-managed Recoverability Code D items and Defense Logistics Agency (DLA)/TACOM/GSA) items which the integrated manager has not decontrolled.
Echelon Identification Code	B	Consumable Repair Parts
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DM	U.S. Marine Corps
Service Organization	M	U.S. Marine Corps
Reparability	Z	Nonreparable item. When unserviceable, condemn and dispose at the level indicated by the first digit of the maintenance code.
Acquisition Advice Codes	D	DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	A EA : Each

Category	Code	Description
Cognizance Codes	9B	Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DN	Department of the Navy
Service Organization	N	U.S. Navy
Acquisition Advice Codes	D	DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	A EA : Each