NSN 5310-01-137-5736 M520214, M52021-4, H520214

Product Details | DOUBLE HEXAGON EXTENDED WASHER SELF-LOCKING NUT

5310-01-137-5736 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: M520214, M52021-4, H520214, H52021-4, VN771W048, WSLH104, WSLH10-4, GN512B4331, GN512B4-331 , 2528B331 , 4076T14P01, 4076T1P01 , 5310-01-137-5736, 01-137-5736, 5310011375736, 011375736

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
53	29 AUG 1982	01-137-5736	29729 ( NUT, SELF-LOCKING, EXTENDED WASHER, DOUBLE HEXAGON )

Drawings & Photos | NSN 5310-01-137-5736

Part Number	Request Date	QTY	Origin
5310-01-137-5736	2025-06-171	150	US
2528B331	2021-09-270	3452	DIBBS
4076T14P01	2021-09-270	3452	DIBBS
4076T1P01	2021-09-270	3452	DIBBS
GN512B4-331	2021-09-270	3452	DIBBS
H52021-4	2021-09-270	3452	DIBBS
VN771W048	2021-09-270	3452	DIBBS
WSLH10-4	2021-09-270	3452	DIBBS
2528B331	2021-09-257	3452	DIBBS
4076T14P01	2021-09-257	3452	DIBBS
4076T1P01	2021-09-257	3452	DIBBS
GN512B4-331	2021-09-257	3452	DIBBS
H52021-4	2021-09-257	3452	DIBBS
VN771W048	2021-09-257	3452	DIBBS
WSLH10-4	2021-09-257	3452	DIBBS
2528B331	2021-01-20	6274	DIBBS
4076T14P01	2021-01-20	6274	DIBBS
4076T1P01	2021-01-20	6274	DIBBS
GN512B4-331	2021-01-20	6274	DIBBS
H52021-4	2021-01-20	6274	DIBBS
VN771W048	2021-01-20	6274	DIBBS
WSLH10-4	2021-01-20	6274	DIBBS
2528B331	2021-01-10	6274	DIBBS
4076T14P01	2021-01-10	6274	DIBBS
4076T1P01	2021-01-10	6274	DIBBS
GN512B4-331	2021-01-10	6274	DIBBS
H52021-4	2021-01-10	6274	DIBBS
VN771W048	2021-01-10	6274	DIBBS
WSLH10-4	2021-01-10	6274	DIBBS
2528B331	2020-03-76	3226	DIBBS
4076T14P01	2020-03-76	3226	DIBBS
4076T1P01	2020-03-76	3226	DIBBS
GN512B4-331	2020-03-76	3226	DIBBS
H52021-4	2020-03-76	3226	DIBBS
VN771W048	2020-03-76	3226	DIBBS
WSLH10-4	2020-03-76	3226	DIBBS
5310-01-137-5736	2020-01-14	320	Taiwan
5310-01-137-5736	2019-09-267	19394	IN
5310-01-137-5736	2019-09-267	19394	IN
2528B331	2019-09-253	19394	DIBBS
4076T14P01	2019-09-253	19394	DIBBS
4076T1P01	2019-09-253	19394	DIBBS
GN512B4-331	2019-09-253	19394	DIBBS
H52021-4	2019-09-253	19394	DIBBS
VN771W048	2019-09-253	19394	DIBBS
WSLH10-4	2019-09-253	19394	DIBBS
2528B331	2019-09-245	19394	DIBBS
4076T14P01	2019-09-245	19394	DIBBS
4076T1P01	2019-09-245	19394	DIBBS
GN512B4-331	2019-09-245	19394	DIBBS
H52021-4	2019-09-245	19394	DIBBS
VN771W048	2019-09-245	19394	DIBBS
WSLH10-4	2019-09-245	19394	DIBBS
M520214	2019-08-239	50	Taiwan
2528B331	2019-07-203	3776	DIBBS
4076T14P01	2019-07-203	3776	DIBBS
4076T1P01	2019-07-203	3776	DIBBS
GN512B4-331	2019-07-203	3776	DIBBS
H52021-4	2019-07-203	3776	DIBBS
VN771W048	2019-07-203	3776	DIBBS
WSLH10-4	2019-07-203	3776	DIBBS
2528B331	2019-07-195	3776	DIBBS
4076T14P01	2019-07-195	3776	DIBBS
4076T1P01	2019-07-195	3776	DIBBS
GN512B4-331	2019-07-195	3776	DIBBS
H52021-4	2019-07-195	3776	DIBBS
VN771W048	2019-07-195	3776	DIBBS
WSLH10-4	2019-07-195	3776	DIBBS
5310-01-137-5736	2019-07-192	1000	US
5310-01-137-5736	2019-04-99	500	us
2528B331	2019-02-42	9791	DIBBS
4076T14P01	2019-02-42	9791	DIBBS
4076T1P01	2019-02-42	9791	DIBBS
GN512B4-331	2019-02-42	9791	DIBBS
H52021-4	2019-02-42	9791	DIBBS
VN771W048	2019-02-42	9791	DIBBS
WSLH10-4	2019-02-42	9791	DIBBS
2528B331	2019-02-34	9791	DIBBS
4076T14P01	2019-02-34	9791	DIBBS
4076T1P01	2019-02-34	9791	DIBBS
GN512B4-331	2019-02-34	9791	DIBBS
H52021-4	2019-02-34	9791	DIBBS
VN771W048	2019-02-34	9791	DIBBS
WSLH10-4	2019-02-34	9791	DIBBS
5310-01-137-5736	2019-01-02	100	US
5310-01-137-5736	2019-01-02	600	US
5310-01-137-5736	2018-12-361	500	United States
5310-01-137-5736	2018-11-306	3974	DIBBS
5310-01-137-5736	2018-10-298	3974	DIBBS
5310-01-137-5736	2018-07-183	100	US
5310-01-137-5736	2018-02-54	700	DIBBS
5310-01-137-5736	2018-02-46	700	DIBBS
5310-01-137-5736	2018-01-10	3840	DIBBS
5310-01-137-5736	2018-01-02	3840	DIBBS
5310-01-137-5736	2017-06-165	4623	DIBBS
5310-01-137-5736	2017-02-48	4507	DIBBS
5310-01-137-5736	2017-01-08	4507	DIBBS
5310-01-137-5736	2016-10-301	1067	DIBBS
4076T14P01	2016-08-232	10	United States
5310-01-137-5736	2016-07-209	19531	DIBBS
5310-01-137-5736	2016-03-84	3723	DIBBS
5310-01-137-5736	2015-11-326	6135	DIBBS
5310-01-137-5736	2015-10-286	1892	DIBBS
5310-01-137-5736	2015-07-211	7239	DIBBS
5310-01-137-5736	2015-07-195	5	Turkey
5310-01-137-5736	2015-05-121	3161	DIBBS
5310-01-137-5736	2015-04-110	7239	DIBBS
5310-01-137-5736	2015-04-110	3161	DIBBS
4076T14P01	2015-03-76	20	TH
5310-01-137-5736	2015-02-42	2064	DIBBS
5310-01-137-5736	2014-11-332	3339	DIBBS
5310-01-137-5736	2014-11-320	3339	DIBBS
5310-01-137-5736	2014-08-233	7239	DIBBS
5310-01-137-5736	2014-08-222	10	DIBBS
5310-01-137-5736	2014-08-217	6970	DIBBS
5310-01-137-5736	2014-07-202	4492	DIBBS
5310-01-137-5736	2014-06-163	4492	DIBBS
5310-01-137-5736	2014-06-152	4492	DIBBS
5310-01-137-5736	2012-03-81	8000	DIBBS
5310-01-137-5736	2012-01-24	6800	DIBBS
5310-01-137-5736	2012-01-18	703	DIBBS
5310-01-137-5736	2012-01-12	554	DIBBS
5310-01-137-5736	2011-12-347	500	DIBBS
5310-01-137-5736	2011-11-332	26000	DIBBS
5310-01-137-5736	2011-09-252	11042	DIBBS
5310-01-137-5736	2011-09-250	3013	DIBBS
5310-01-137-5736	2011-08-221	11042	DIBBS
5310-01-137-5736	2011-07-199	12000	DIBBS
5310-01-137-5736	2011-04-114	50	TR
4076T14P01	2011-04-114	5	TR
5310-01-137-5736	2009-09-247	6	US
5310-01-137-5736	2009-01-30	13000	DIBBS
4076T14P01	2008-10-277	5	Seychelles
5310-01-137-5736	2008-10-275	80	US
5310-01-137-5736	2008-08-218	21693	DIBBS
5310-01-137-5736	2008-06-176	8500	DIBBS
5310-01-137-5736	2007-06-152	30	United States

Cross Reference | NSN 5310-01-137-5736

Part Number	Cage Code	Manufacturer
2528B331	0VK23	BOLLHOFF RIVNUT., INC. FASTENING AND ASSEMBLY TECHNOLOGY
2528B331	3H464	BOLLHOFF INC.
4076T14P01	99207	GENERAL ELECTRIC COMPANY DBA GE
GN512B4-331	26512	NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NORTHROP GRUMMAN AEROSPACE
H52021-4	15653	ALCOA GLOBAL FASTENERS, INC.
M52021-4	15653	ALCOA GLOBAL FASTENERS, INC.
VN771W048	92215	ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS
WSLH10-4	56878	SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION

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Related Products | NSN 5310-01-137-5736

5310-01-137-5737, 5310-01-137-5751, 5310-01-137-5752, 5310-01-137-5753, 5310-01-137-5835

Technical Data | NSN 5310-01-137-5736

Characteristic	Specifications
THREAD SERIES	UNJF
NOMINAL THREAD SIZE	0.250 INCHES
THREAD QUANTITY PER INCH	28
THREAD CLASS	3B
THREAD DIRECTION	RIGHT-HAND
MATERIAL	STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5709 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING	NOT RATED
NUT STYLE	A293 DOUBLE HEXAGON
WASHER OUTSIDE DIAMETER	0.515 INCHES MINIMUM AND 0.540 INCHES MAXIMUM
OVERALL HEIGHT	0.307 INCHES MINIMUM AND 0.322 INCHES MAXIMUM
WASHER THICKNESS	0.015 INCHES MINIMUM AND 0.057 INCHES MAXIMUM
WIDTH ACROSS FLATS	0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
MANUFACTURERS CODE	99207
MFR SOURCE CONTROLLING REFERENCE	4076T14P01

Restrictions/Controls & Freight Information | NSN 5310-01-137-5736

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:	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	093486	BOLTS,NUTS OR SCREWS, NOI (SUB 3)
Less than car load rating	U	50
Less than truck load rating	W	Rating Variable
Water commodity Code	713	unknown
Originating Activity Code	CT	U.S. Army Aviation and Missile Command (AIR) Redstone Arsenal, AL 35898-5230
Air Dimension Code	A	Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity
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 5310-01-137-5736

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.
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.
Materiel Management Aggregation Code	SX	SX:AF SICA RESIDUAL MMAC-OC-ALC
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
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	M EA : Each