NSN 5310-00-272-6418 ANN10, SPS42FW820, SS508108

Product Details | DOUBLE HEXAGON EXTENDED WASHER SELF-LOCKING NUT

5310-00-272-6418 A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.

Part Alternates: ANN10, SPS42FW820, SS508108, SS5081-08, FAC1421820, FAC1421-820, 05852401, 058524-01, 10598884-1, 42FW820, 903510C1, 9131946 , 5310-00-272-6418, 00-272-6418, 5310002726418, 002726418, 105988841

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
53	01 JAN 1963	00-272-6418	29729 ( NUT, SELF-LOCKING, EXTENDED WASHER, DOUBLE HEXAGON )

Drawings & Photos | NSN 5310-00-272-6418

Part Number	Request Date	QTY	Origin
42FWG-820	2025-08-215	631	DIBBS
SS5081-08	2025-08-215	631	DIBBS
42FWG-820	2025-07-205	631	DIBBS
SS5081-08	2025-07-205	631	DIBBS
42FW820	2022-11-318	94	US
SS508108	2022-11-318	88	US
42FWG-820	2022-05-132	1107	DIBBS
SS5081-08	2022-05-132	1107	DIBBS
42FWG-820	2022-04-95	3148	DIBBS
SS5081-08	2022-04-95	3148	DIBBS
42FWG-820	2022-01-30	1001	DIBBS
SS5081-08	2022-01-30	1001	DIBBS
42FWG-820	2021-09-255	2147	DIBBS
SS5081-08	2021-09-255	2147	DIBBS
42FWG-820	2021-08-213	1336	DIBBS
SS5081-08	2021-08-213	1336	DIBBS
42FWG-820	2021-06-166	1955	DIBBS
SS5081-08	2021-06-166	1955	DIBBS
42FWG-820	2021-01-25	1132	DIBBS
SS5081-08	2021-01-25	1132	DIBBS
5310-00-272-6418	2018-05-135	3994	DIBBS
5310-00-272-6418	2018-03-82	1183	DIBBS
5310-00-272-6418	2018-03-82	1512	DIBBS
5310-00-272-6418	2018-02-52	1512	DIBBS
5310-00-272-6418	2017-10-304	1183	DIBBS
42FW820	2017-03-61	10	us
5310-00-272-6418	2016-02-55	4000	DIBBS
5310-00-272-6418	2016-01-10	710	DIBBS
5310-00-272-6418	2014-01-09	1986	DIBBS
5310-00-272-6418	2012-04-100	7172	DIBBS
5310-00-272-6418	2012-02-33	1981	DIBBS
5310-00-272-6418	2011-05-126	1950	DIBBS
5310-00-272-6418	2009-08-222	2019	DIBBS
5310-00-272-6418	2009-06-175	1000	US
5310-00-272-6418	2008-11-324	1833	DIBBS
42FW820	2008-06-182	50	US
42FW820	2008-02-35	20	United States
42FW820	2006-12-348	165	US

Cross Reference | NSN 5310-00-272-6418

Part Number	Cage Code	Manufacturer
058524-01	89305	SIMMONDS PRECISION PRODUCTS, INC. DBA GOODRICH SENSORS AND INTERGRATED
10598884-1	18876	U S ARMY AVIATION AND MISSILE COMMAND
42FW820	56878	SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION
903510C1	66195	SOLAR TURBINES INCORPORATED
ANN10	81352	AIR FORCE-NAVY AERONAUTICAL SPECIFICATIONS
FAC1421-820	23974	L-3 COMMUNICATIONS INTEGRATED SYSTEMS L.P.
SPS42FW820	56878	SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION
SPS42FW820	80539	SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP
SS5081-08	56878	SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION
SS5081-08	78286	SIKORSKY AIRCRAFT CORPORATION
SS5081-08	8K112	FREUNDLICH SUPPLY COMPANY, INC.

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Related Products | NSN 5310-00-272-6418

5310-00-272-6419, 5310-00-272-6420, 5310-00-272-6421, 5310-00-272-6423, 5310-00-272-6424

Technical Data | NSN 5310-00-272-6418

Characteristic	Specifications
THREAD SERIES	UNJF
NOMINAL THREAD SIZE	0.500 INCHES
THREAD QUANTITY PER INCH	20
THREAD CLASS	3B
THREAD DIRECTION	RIGHT-HAND
MATERIAL	STEEL COMP 8630 OR STEEL COMP 4037 OR STEEL COMP 8740 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6280 ASSN STD 1ST MATERIAL RESPONSE OR AMS 6300 ASSN STD 2ND MATERIAL RESPONSE OR AMS 6322 ASSN STD 3RD MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING	38.0 ROCKWELL C MAXIMUM
NUT STYLE	A293 DOUBLE HEXAGON
WASHER OUTSIDE DIAMETER	0.875 INCHES MAXIMUM
OVERALL HEIGHT	0.568 INCHES MAXIMUM
WASHER THICKNESS	0.136 INCHES MINIMUM
WIDTH ACROSS FLATS	0.616 INCHES MINIMUM AND 0.627 INCHES MAXIMUM
LOCKING FEATURE	PREVAILING TORQUE ALL METAL DESIGN
COUNTERSINK ANGLE	ANY ACCEPTABLE NUT
LUBRICATION	SOLUBLE LUBRICANT
TEMP RATING	450.0 DEG FAHRENHEIT NOMINAL
MANUFACTURERS CODE	81352
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	ANN10

Restrictions/Controls & Freight Information | NSN 5310-00-272-6418

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:	A	Item does not contain precious metal
Criticality Code:	F	The item is an Aviation Critical Safety Item/Flight Safety Critical Aircraft Part ((ACSI/FSCAP).
Automatic Data Processing Equipment:	0	Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)

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	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
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	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 5310-00-272-6418

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	Q 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.
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	Q EA : Each
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	1 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.
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	Q EA : Each

Category	Code	Description
Cognizance Codes	9B	Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg
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	Q EA : Each
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	1 EA : Each