NSN 5310-00-948-4142 SL410912PNOR, SL4109-12-P-NOR, 25N12712

Product Details | BARREL SELF-LOCKING NUT

5310-00-948-4142 A nut of cylindrical or partly cylindrical cross-section with integral threads perpendicular to the axial centerline. Ends may be flat or flanged. An integral feature is incorporated for locking on the threads of a mating member. Excludes NUT (1), SELF-LOCKING, ROUND.

Part Alternates: SL410912PNOR, SL4109-12-P-NOR, 25N12712, 25N127-12, 5310-00-948-4142, 00-948-4142, 5310009484142, 009484142

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
53	01 APR 1966	00-948-4142	15891 ( NUT, SELF-LOCKING, BARREL )

Drawings & Photos | NSN 5310-00-948-4142

Part Number	Request Date	QTY	Origin
25N127-12	2025-06-164	23	DIBBS
SL4109-12-P-NOR	2025-06-164	23	DIBBS
25N127-12	2025-05-149	23	DIBBS
SL4109-12-P-NOR	2025-05-149	23	DIBBS
25N127-12	2024-10-298	21	DIBBS
SL4109-12-P-NOR	2024-10-298	21	DIBBS
25N127-12	2024-10-283	21	DIBBS
SL4109-12-P-NOR	2024-10-283	21	DIBBS
25N127-12	2023-10-296	40	DIBBS
SL4109-12-P-NOR	2023-10-296	40	DIBBS
25N127-12	2023-06-172	1	DIBBS
SL4109-12-P-NOR	2023-06-172	1	DIBBS
25N127-12	2022-10-285	62	DIBBS
SL4109-12-P-NOR	2022-10-285	62	DIBBS
25N127-12	2022-02-59	29	DIBBS
SL4109-12-P-NOR	2022-02-59	29	DIBBS
25N127-12	2022-02-46	29	DIBBS
SL4109-12-P-NOR	2022-02-46	29	DIBBS
25N127-12	2020-06-155	38	DIBBS
SL4109-12-P-NOR	2020-06-155	38	DIBBS
25N127-12	2020-05-139	49	DIBBS
SL4109-12-P-NOR	2020-05-139	49	DIBBS
25N127-12	2020-05-124	49	DIBBS
SL4109-12-P-NOR	2020-05-124	49	DIBBS
25N127-12	2020-04-120	48	DIBBS
SL4109-12-P-NOR	2020-04-120	48	DIBBS
25N127-12	2019-10-274	30	DIBBS
SL4109-12-P-NOR	2019-10-274	30	DIBBS
25N127-12	2019-09-266	30	DIBBS
SL4109-12-P-NOR	2019-09-266	30	DIBBS
SL4109-12-P-NOR	2019-04-107	26	DIBBS
5310-00-948-4142	2017-08-215	68	DIBBS
5310-00-948-4142	2017-03-88	68	DIBBS
5310-00-948-4142	2017-01-04	50	DIBBS
5310-00-948-4142	2016-07-213	41	DIBBS
5310-00-948-4142	2015-05-130	49	DIBBS
5310-00-948-4142	2014-08-222	192	DIBBS
5310-00-948-4142	2014-07-197	11	DIBBS
5310-00-948-4142	2013-12-339	21	DIBBS
25N12712	2012-11-334	6	FR
25N127-12	2012-08-244	50
5310-00-948-4142	2011-04-100	176	DIBBS
25N12712	2011-03-82	20	South Korea
5310-00-948-4142	2010-11-312	17	DIBBS
5310-00-948-4142	2010-09-273	50	DIBBS
5310-00-948-4142	2010-09-267	43	DIBBS
5310-00-948-4142	2010-03-62	100	DIBBS
5310-00-948-4142	2009-11-321	100	DIBBS
5310-00-948-4142	2009-10-296	40	DIBBS
5310-00-948-4142	2009-10-296	22	DIBBS
5310-00-948-4142	2007-09-265	20	United Kingdom

Cross Reference | NSN 5310-00-948-4142

Part Number	Cage Code	Manufacturer
25N127-12	0JRC1	NORTHROP GRUMMAN TECHNICAL SERVICES, INC.
25N127-12	76823	NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NORTHROP GRUMMAN AEROSPACE
SL4109-12-P-NOR	97393	SHUR-LOK CORPORATION DBA SPS FASTENER DIVISION, A PCC

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Related Products | NSN 5310-00-948-4142

5310-00-948-4155, 5310-00-948-4156, 5310-00-948-4157, 5310-00-948-4248, 5310-00-948-4372

Technical Data | NSN 5310-00-948-4142

Characteristic	Specifications
THREAD SERIES	UNJF
NOMINAL THREAD SIZE	0.750 INCHES
THREAD QUANTITY PER INCH	16
THREAD CLASS	3B
THREAD DIRECTION	RIGHT-HAND
MATERIAL	STEEL COMP 4340 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	NAS-672 80205 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING	37.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
NUT STYLE	A40 FLOATING SELF-LOCKING BARREL
NUT DIAMETER	1.275 INCHES MINIMUM AND 1.278 INCHES MAXIMUM
NUT LENGTH	1.500 INCHES NOMINAL
BARREL HEIGHT	0.750 INCHES NOMINAL
NUT HEIGHT	1.062 INCHES NOMINAL
LOCKING FEATURE	PREVAILING TORQUE ALL METAL DESIGN
LUBRICATION	DRY FILM LUBRICANT
TEMP RATING	NOT RATED
FEATURES PROVIDED	FLOATING NUT
MANUFACTURERS CODE	97393
DESIGN CONTROL REFERENCE	SL4109-12-P-NOR

Restrictions/Controls & Freight Information | NSN 5310-00-948-4142

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:	U	Precious metal type is unknown
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	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 5310-00-948-4142

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