NSN 5310-01-090-1543 NAS1791A42, NAS1791A4-2, ST3M5414A2

Product Details | PLATE SELF-LOCKING NUT

5310-01-090-1543 A nut with a flanged base of varied shapes which may be plain or mounted by rivets, bolts, welding or integral prongs. An integral feature is incorporated for locking on the threads of a mating member.

Part Alternates: NAS1791A42, NAS1791A4-2, ST3M5414A2, ST3M541-4A2, BFN54142, BFN541-4-2, F1442124, F14421-2-4, F49069N42, F49069N4-2, 10122111 , 5310-01-090-1543, 01-090-1543, 5310010901543, 010901543

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
53	14 FEB 1980	01-090-1543	05280 ( NUT, SELF-LOCKING, PLATE )

Drawings & Photos | NSN 5310-01-090-1543

Part Number	Request Date	QTY	Origin
NAS1791A42	2025-06-168	20	United States
5310-01-090-1543	2023-05-136	600	US
5310-01-090-1543	2017-02-53	18	MANUAL
5310-01-090-1543	2016-06-154	3183	DIBBS
5310-01-090-1543	2015-10-281	1024	DIBBS
5310-01-090-1543	2015-10-278	952	DIBBS
NAS1791A42	2011-08-214	500	MY

Cross Reference | NSN 5310-01-090-1543

Part Number	Cage Code	Manufacturer
BFN541-4-2	27238	BRISTOL INDUSTRIES
F14421-2-4	72962	HARVARD INDUSTRIES INC
F14421-2-4	80539	SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP
F49069N4-2	15653	ALCOA GLOBAL FASTENERS, INC.
NAS1791A4-2	80205	NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES
ST3M541-4A2	76301	BOEING COMPANY, THE DBA BOEING

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Related Products | NSN 5310-01-090-1543

5310-01-090-1544, 5310-01-090-1545, 5310-01-090-1546, 5310-01-090-1547, 5310-01-090-1713

Technical Data | NSN 5310-01-090-1543

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 NUT STEEL SHELL
SURFACE TREATMENT	CADMIUM AND CHROMATE NUT CADMIUM AND CHROMATE SHELL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 2,CL 2 FED SPEC ALL TREATMENT RESPONSES NUT QQ-P-416,TY 2,CL 2 FED SPEC ALL TREATMENT RESPONSES SHELL
HARDNESS RATING	NOT RATED
NUT STYLE	A116 PLATE
NUT LENGTH	1.292 INCHES MAXIMUM
NUT HEIGHT	0.357 INCHES MAXIMUM
PLATE THICKNESS	0.027 INCHES MINIMUM AND 0.037 INCHES MAXIMUM
PLATE WIDTH	0.547 INCHES MAXIMUM
REMOVABLE NUT MANUFACTURER CODE	80205
REMOVABLE NUT MANUFACTURER PART NUMBER	NAS1794A4-2
LOCKING FEATURE	PREVAILING TORQUE ALL METAL DESIGN
NUT COUNTERBORE DEPTH	0.125 INCHES MINIMUM NUT
COUNTERBORE DIAMETER	0.254 INCHES MINIMUM NUT
LUBRICATION	DRY FILM LUBRICANT
NUT MOUNTING PROVISION	STRAIGHT HOLES
MOUNTING HOLE ARRANGEMENT STYLE	F38 2 HOLES
MOUNTING HOLE DIAMETER	0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM
DISTANCE FROM APERTURE CENTER TO MOUNTING HOLE CENTER	0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH	0.998 INCHES MINIMUM AND 1.002 INCHES MAXIMUM
TEMP RATING	NOT RATED
FEATURES PROVIDED	FLOATING NUT
SPECIFICATION/STANDARD DATA	80205-NAS1791 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD

Restrictions/Controls & Freight Information | NSN 5310-01-090-1543

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
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 5310-01-090-1543

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.
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
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