NSN 5310-00-897-6145 MS21083C4, MS21083FC4, 1140576005

Product Details | HEXAGON SELF-LOCKING NUT

5310-00-897-6145 A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes NUT (1), SELF-LOCKING, CAP.

Part Alternates: MS21083C4, MS21083FC4, 1140576005, 114-0576-005, 1489C428, 21303 FIND 20, 21303FIND20, 4123124, 412-3124 , 002004048005, 002-004048-005, 79NTE048ESNA, 79NTE-048-ESNA, 79NTME048, 79NTME-048, 8035001048REVA, 803-5001048REVA, 5310-00-897-6145, 00-897-6145, 5310008976145 , 008976145

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
53	03 FEB 1967	00-897-6145	05277 ( NUT, SELF-LOCKING, HEXAGON )

Drawings & Photos | NSN 5310-00-897-6145

Part Number	Request Date	QTY	Origin
5310-00-897-6145	2025-06-160	12283	DIBBS
MS21083C4	2025-02-58	9	United States
5310-00-897-6145	2025-01-23	14000	DIBBS
5310-00-897-6145	2025-01-22	12000	DIBBS
5310-00-897-6145	2023-06-170	8069	DIBBS
MS21083C4	2018-10-290	25	US
5310-00-897-6145	2018-06-157	100	Taiwan
MS21083C4	2018-04-115	100	United States
5310008976145	2018-02-50	2486	AU
5310-00-897-6145	2018-02-38	20	Malaysia
5310-00-897-6145	2017-08-228	80	Malaysia
5310-00-897-6145	2017-08-228	80	Malaysia
5310-00-897-6145	2017-02-53	36	MANUAL
5310-00-897-6145	2016-06-158	24053	DIBBS
5310-00-897-6145	2016-05-141	38860	DIBBS
5310-00-897-6145	2016-05-131	38860	DIBBS
5310-00-897-6145	2016-03-67	10757	DIBBS
5310-00-897-6145	2015-12-341	14605	DIBBS
5310-00-897-6145	2015-11-323	23817	DIBBS
5310-00-897-6145	2015-10-287	23817	DIBBS
MS21083C4	2015-02-35	200	Australia
5310-00-897-6145	2014-10-303	34006	DIBBS
5310-00-897-6145	2014-08-236	18661	DIBBS
MS21083C4	2014-07-204	100	Australia
MS21083C4	2014-07-192	100	Australia
MS21083C4	2014-06-169	100	Australia
MS21083C4	2014-05-136	16	Sri Lanka
5310-00-897-6145	2014-05-131	34006	DIBBS
MS21083C4	2014-03-71	50000	US
MS21083C4	2014-03-70	1	KR
5310-00-897-6145	2013-12-359	46206	DIBBS
MS21083C4	2013-09-253	100	Malaysia
MS21083C4	2013-04-102	100	Singapore
MS21083C4	2013-03-80	8	United States
5310-00-897-6145	2012-10-300	36148	DIBBS
5310-00-897-6145	2012-10-285	36148	DIBBS
MS21083C4	2012-08-223	20	CO
MS21083C4	2012-07-212	300	United States
MS21083C4	2012-07-207	156	US
MS21083C4	2012-06-177	4	United States
MS21083C4	2011-05-137	31	us
MS21083C4	2011-04-94	10	CO
5310-00-897-6145	2011-01-30	500	IL
MS21083C4	2010-12-356	1	Italy
5310-00-897-6145	2009-12-338	54	Italy
MS21083C4	2008-09-260	100	India
5310-00-897-6145	2008-09-253	430	US
5310-00-897-6145	2008-09-250	100	India
5310-00-897-6145	2008-08-242	100	India
5310-00-897-6145	2008-08-238	12	United States
5310-00-897-6145	2007-02-59	10	US
5310-00-897-6145	2006-10-278	4000	US

Cross Reference | NSN 5310-00-897-6145

Part Number	Cage Code	Manufacturer
002-004048-005	26916	NORTHROP GRUMMAN SYSTEMS CORPORATION DIV MULTIPLE
114-0576-005	94756	BOEING COMPANY, THE DBA BOEING
1489C428	99167	HAMILTON SUNDSTRAND CORPORATION
21303 FIND 20	78062	DOVER ENGINEERED SYSTEMS, INC. DBA SARGENT CONTROLS & AEROSPACE
5310008976145	SCY13	E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES
79NTE-048-ESNA	99657	MAROTTA CONTROLS, INC.
79NTME-048	72962	HARVARD INDUSTRIES INC
803-5001048REVA	57041	SPECO INC
MS21083C4	60144	UNIFAB INDUSTRIES INC
MS21083C4	80205	NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES
MS21083C4	8K112	FREUNDLICH SUPPLY COMPANY, INC.
MS21083C4	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS
MS21083FC4	D9182	BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT

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Related Products | NSN 5310-00-897-6145

5310-00-897-6520, 5310-00-897-7037, 5310-00-897-7545, 5310-00-897-7948, 5310-00-897-8293

Technical Data | NSN 5310-00-897-6145

Characteristic	Specifications
THREAD SERIES	UNJF
NOMINAL THREAD SIZE	0.250 INCHES
THREAD QUANTITY PER INCH	28
THREAD CLASS	3B
THREAD DIRECTION	RIGHT-HAND
MATERIAL	PLASTIC POLYAMIDE LOCKING INSERT STEEL CORROSION RESISTING OVERALL EXCEPT INSERT
SURFACE TREATMENT	PASSIVATE OVERALL EXCEPT INSERT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT
HARDNESS RATING	NOT RATED
NUT STYLE	A12 HEXAGON
NUT HEIGHT	0.219 INCHES MAXIMUM
WIDTH ACROSS FLATS	0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM
BEARING SURFACE TYPE	CHAMFERED OR WASHER FACED
LOCKING FEATURE	PREVAILING TORQUE WITH NONMETALLIC INSERT
COUNTERSINK ANGLE	88.0 DEGREES NOMINAL NUT
TEMP RATING	250.0 DEG FAHRENHEIT NOMINAL
SPECIAL FEATURES	WEAPON SYSTEM ESSENTIAL
CRITICALITY CODE JUSTIFICATION	FEAT
III BEARING SURFACE FINISH	125.0 MICROINCHES

Restrictions/Controls & Freight Information | NSN 5310-00-897-6145

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	093486	BOLTS,NUTS OR SCREWS, NOI (SUB 3)
Less than car load rating
Less than truck load rating	W	Rating Variable
Water commodity Code	573	unknown
Originating Activity Code	KZ	Defense Supply Center Philadelphia Philadelphia, PA 19101
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 5310-00-897-6145

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	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	M 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	M EA : Each

Category	Code	Description
Stores Account Code	1	Marine Corps Stock Fund Account Item.
Combat Essentiality Code	5	Critical Repair Part to a Combat Essential End Item. Those parts or components whose failure in a combat essential end item will render the end item inoperative or reduce its effectiveness below the minimum acceptable level of efficiency.
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	M EA : Each

Category	Code	Description
Cognizance Codes	9B	Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg
Special Material Content	9	Non-Hazardous or Non-Sensitive Item, does not require hazardous or special handling, packaging or precautions
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	M EA : Each