NSN 5310-01-455-8291 42FLW720, 9235390-13 , 01-455-8291

Product Details | DOUBLE HEXAGON EXTENDED WASHER SELF-LOCKING NUT

5310-01-455-8291 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: 42FLW720, 9235390-13 , 5310-01-455-8291, 01-455-8291, 5310014558291, 014558291, 923539013

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
53	18 MAY 1998	01-455-8291	29729 ( NUT, SELF-LOCKING, EXTENDED WASHER, DOUBLE HEXAGON )

Drawings & Photos | NSN 5310-01-455-8291

Part Number	Request Date	QTY	Origin
42FLW720	2025-09-273	50	China
42FLW720	2025-09-257	2321	DIBBS
42FLW720	2025-09-251	100	KR
42FLW720	2025-05-137	12	US
42FLW720	2025-05-126	2	CN
42FLW720	2025-02-55	720	United States
42FLW720	2024-05-129	200	United Arab Emirates
42FLW720	2024-02-51	40	Croatia
42FLW720	2023-07-204	2488	DIBBS
42FLW720	2020-05-147	12	US
42FLW720	2019-03-79	4	Thailand
42FLW720	2019-01-28	8	Thailand
42FLW720	2018-06-171	8	Thailand
923539013	2018-04-100	70	Indonesia
5310-01-455-8291	2017-07-198	40	US
5310-01-455-8291	2016-12-357	2973	DIBBS
42FLW720	2016-11-321	100	US
5310-01-455-8291	2016-09-258	1	DIBBS-RFPs
5310-01-455-8291	2016-08-241	5182	DIBBS
42FLW720	2016-06-168	100	Thailand
5310-01-455-8291	2016-04-98	4055	DIBBS
5310-01-455-8291	2016-03-83	5054	DIBBS
5310-01-455-8291	2015-12-354	3685	DIBBS
42FLW720	2013-05-134	50	CZ
5310-01-455-8291	2012-04-114	16	MANUAL
42FLW720	2012-04-110	100	Taiwan
42FLW720	2012-04-108	24	Taiwan
42FLW720	2012-04-108	100	Taiwan
5310-01-455-8291	2012-03-72	280	MANUAL
42FLW720	2010-03-81	15	US
42FLW720	2010-03-77	20	us
42FLW720	2009-04-119	100	US
42FLW720	2009-04-114	100	us
42FLW720	2009-04-114	100	us
5310-01-455-8291	2008-11-315	5800	US

Cross Reference | NSN 5310-01-455-8291

Part Number	Cage Code	Manufacturer
42FLW720	56878	SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION
9235390-13	98747	OGDEN AIR LOGISTICS CENTER

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Related Products | NSN 5310-01-455-8291

5310-01-455-8479, 5310-01-455-8480, 5310-01-455-8481, 5310-01-455-8482, 5310-01-455-8483

Technical Data | NSN 5310-01-455-8291

Characteristic	Specifications
THREAD SERIES	UNJF
NOMINAL THREAD SIZE	0.4375 INCHES
THREAD QUANTITY PER INCH	20
THREAD CLASS	3B
THREAD DIRECTION	RIGHT-HAND
MATERIAL	STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6280 ASSN STD SINGLE MATERIAL RESPONSE OR MS 6300 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416, TY I, CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING	40.0 ROCKWELL C MAXIMUM
NUT STYLE	A293 DOUBLE HEXAGON
WASHER OUTSIDE DIAMETER	0.713 INCHES MINIMUM AND 0.763 INCHES MAXIMUM
OVERALL HEIGHT	0.496 INCHES MINIMUM AND 0.516 INCHES MAXIMUM
WASHER THICKNESS	0.059 INCHES MINIMUM AND 0.079 INCHES MAXIMUM
WIDTH ACROSS FLATS	0.533 INCHES MINIMUM AND 0.564 INCHES MAXIMUM
LOCKING FEATURE	FREE-RUNNING ALL METAL DESIGN
LUBRICATION	DRY FILM LUBRICANT
TEMP RATING	NOT RATED

Restrictions/Controls & Freight Information | NSN 5310-01-455-8291

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
Electro-static Discharge Susceptible:	A	No known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
Precious Metals Indicator Code:	A	Item does not contain precious metal
Criticality Code:	X	The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
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	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	40	Department of Interior Washington, DC 20006
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 5310-01-455-8291

Category	Code	Description
Materiel Category and Inventory Manager	H	Aircraft, Air Materiel
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	B	Rotary Wing Aircraft
Weapons Systems/End Item or Homogeneous Group	BX	OH-58D Army Helicopter Improvement Program (AHIP)
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	FGZ	Ogden Air Logistics Center Hill AFB, UT 84056-5609
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	Y	TERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	1 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.
Materiel Management Aggregation Code	LE	SU:LANDING GEAR SYSTEMS AND COMPONENTS
Price Validation	N	The current standard price in Catalog Management Data (CMD) has not analyzed or coded for LP/LM. The price has not been analyzed or reviewed for accuracy. ZOP or Standard price challenges are permissible, but must be supported with adequate justification. However, if coded for Local Purchase (LP) or Fabrication/Manufacture as indicated with an (LM) Acquisition Advice Code of ?L? or?F?,the case must be evaluated locally where purchased or fabricated.
Fund Code	SF	Stock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
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
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	1 EA : Each