NSN 5310-01-352-8801 BH137M4, KFN526DL4, KFN526DL-4

Product Details | HEXAGON EXTENDED WASHER SELF-LOCKING NUT

5310-01-352-8801 A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery. An integral feature is incorporated for locking on the threads of a mating member.

Part Alternates: BH137M4, KFN526DL4, KFN526DL-4 , KFN526L4, KFN526L-4, 03A1374L, 03A137-4L, 5310-01-352-8801, 01-352-8801, 5310013528801, 013528801

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
53	01 FEB 1992	01-352-8801	29730 ( NUT, SELF-LOCKING, EXTENDED WASHER, HEXAGON )

Drawings & Photos | NSN 5310-01-352-8801

Part Number	Request Date	QTY	Origin
03A137-4L	2021-08-220	5772	DIBBS
BH137M4	2021-08-220	5772	DIBBS
KFN526DL-4	2021-08-220	5772	DIBBS
03A137-4L	2021-06-158	1180	DIBBS
BH137M4	2021-06-158	1180	DIBBS
KFN526DL-4	2021-06-158	1180	DIBBS
5310-01-352-8801	2017-10-292	2130	DIBBS
5310-01-352-8801	2017-09-261	211	DIBBS
5310-01-352-8801	2017-09-253	211	DIBBS
5310-01-352-8801	2017-07-199	273	DIBBS
5310-01-352-8801	2017-07-190	273	DIBBS
5310-01-352-8801	2017-02-45	1000	DIBBS
5310-01-352-8801	2017-02-37	1000	DIBBS
5310-01-352-8801	2016-12-355	457	DIBBS
5310-01-352-8801	2016-12-347	457	DIBBS
5310-01-352-8801	2016-11-312	1000	DIBBS
5310-01-352-8801	2016-10-304	1000	DIBBS
5310-01-352-8801	2016-10-286	547	DIBBS
5310-01-352-8801	2016-08-225	210	DIBBS
5310-01-352-8801	2016-08-217	210	DIBBS
5310-01-352-8801	2016-05-136	289	DIBBS
5310-01-352-8801	2016-03-63	658	DIBBS
5310-01-352-8801	2016-02-40	1500	DIBBS
5310-01-352-8801	2015-12-348	458	DIBBS
5310-01-352-8801	2015-11-312	1924	DIBBS
5310-01-352-8801	2015-09-271	1500	DIBBS
5310-01-352-8801	2015-09-258	1500	DIBBS

Cross Reference | NSN 5310-01-352-8801

Part Number	Cage Code	Manufacturer
03A137-4L	1W025	NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NORTHROP GRUMMAN AEROSPACE
03A137-4L	76823	NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NORTHROP GRUMMAN AEROSPACE
BH137M4	27238	BRISTOL INDUSTRIES
KFN526DL-4	15653	ALCOA GLOBAL FASTENERS, INC.
KFN526DL-4	17446	HUCK INTERNATIONAL, INC. DBA ALCOA FASTENING SYSTEMS
KFN526DL-4	80539	SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP
KFN526DL-4	92215	ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS
KFN526L-4	15653	ALCOA GLOBAL FASTENERS, INC.
KFN526L-4	17446	HUCK INTERNATIONAL, INC. DBA ALCOA FASTENING SYSTEMS
KFN526L-4	56878	SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION
KFN526L-4	92215	ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS
KFN526L-4	97928	HUCK INTL INC

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Related Products | NSN 5310-01-352-8801

5310-01-352-8802, 5310-01-352-8887, 5310-01-352-8888, 5310-01-352-8889, 5310-01-352-8890

Technical Data | NSN 5310-01-352-8801

Characteristic	Specifications
THREAD SERIES	UNJF
NOMINAL THREAD SIZE	0.250 INCHES
THREAD QUANTITY PER INCH	28
THREAD CLASS	3B
THREAD DIRECTION	RIGHT-HAND
MATERIAL	IRON ALLOY 660 NUT IRON ALLOY 660 WASHER
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5734 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5736 ASSN STD SINGLE MATERIAL RESPONSE NUT AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE WASHER
SURFACE TREATMENT	DISULFIDE MOLYBDENUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-L-8937 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING	NOT RATED
NUT STYLE	A294 HEXAGON
WASHER OUTSIDE DIAMETER	0.465 INCHES MINIMUM AND 0.475 INCHES MAXIMUM
OVERALL HEIGHT	0.340 INCHES NOMINAL
WASHER THICKNESS	0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM
WIDTH ACROSS FLATS	0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
LOCKING FEATURE	PREVAILING TORQUE ALL METAL DESIGN
TEMP RATING	NOT RATED

Restrictions/Controls & Freight Information | NSN 5310-01-352-8801

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.

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	576	unknown
Originating Activity Code	KH	Defense Industrial Supply Center Philadelphia, PA 19111
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 5310-01-352-8801

Air Force
Navy

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	Z	INSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with 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	Z	INSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	1 EA : Each