NSN 5310-01-348-8514 SME992518, SME9925-18, 73781CM1812

Product Details | HEXAGON EXTENDED WASHER SELF-LOCKING NUT

5310-01-348-8514 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: SME992518, SME9925-18, 73781CM1812, 73781CM-1812, 03A18618L, 03A186-18L, 5310-01-348-8514, 01-348-8514, 5310013488514, 013488514

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
53	18 NOV 1991	01-348-8514	29730 ( NUT, SELF-LOCKING, EXTENDED WASHER, HEXAGON )

Drawings & Photos | NSN 5310-01-348-8514

Part Number	Request Date	QTY	Origin
03A186-18L	2025-05-138	9	DIBBS
73781CM-1812	2025-05-138	9	DIBBS
03A186-18L	2025-01-16	11	DIBBS
73781CM-1812	2025-01-16	11	DIBBS
03A186-18L	2024-10-291	6	DIBBS
73781CM-1812	2024-10-291	6	DIBBS
03A186-18L	2024-07-200	14	DIBBS
73781CM-1812	2024-07-200	14	DIBBS
03A186-18L	2024-04-105	14	DIBBS
73781CM-1812	2024-04-105	14	DIBBS
03A186-18L	2023-12-360	52	DIBBS
73781CM-1812	2023-12-360	52	DIBBS
03A186-18L	2023-12-351	52	DIBBS
73781CM-1812	2023-12-351	52	DIBBS
03A186-18L	2023-11-323	6	DIBBS
73781CM-1812	2023-11-323	6	DIBBS
03A186-18L	2022-10-300	23	DIBBS
73781CM-1812	2022-10-300	23	DIBBS
03A186-18L	2022-09-261	1	DIBBS
73781CM-1812	2022-09-261	1	DIBBS
03A186-18L	2022-01-10	30	DIBBS
73781CM-1812	2022-01-10	30	DIBBS
03A186-18L	2021-08-220	8	DIBBS
73781CM-1812	2021-08-220	8	DIBBS
03A186-18L	2021-07-199	6	DIBBS
73781CM-1812	2021-07-199	6	DIBBS
03A186-18L	2021-02-56	1	DIBBS
73781CM-1812	2021-02-56	1	DIBBS
03A186-18L	2020-10-278	4	DIBBS
73781CM-1812	2020-10-278	4	DIBBS
03A186-18L	2019-07-199	3	DIBBS
73781CM-1812	2019-07-199	3	DIBBS
5310-01-348-8514	2018-06-158	5	DIBBS
5310-01-348-8514	2018-05-150	5	DIBBS
5310-01-348-8514	2008-01-30	13	DIBBS

Cross Reference | NSN 5310-01-348-8514

Part Number	Cage Code	Manufacturer
03A186-18L	76823	NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NORTHROP GRUMMAN AEROSPACE
73781CM-1812	56878	SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION
SME9925-18	72962	HARVARD INDUSTRIES INC

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Related Products | NSN 5310-01-348-8514

5310-01-348-8515, 5310-01-348-8516, 5310-01-348-8517, 5310-01-348-8518, 5310-01-348-8519

Technical Data | NSN 5310-01-348-8514

Characteristic	Specifications
THREAD SERIES	UNJF
NOMINAL THREAD SIZE	1.125 INCHES
THREAD QUANTITY PER INCH	12
THREAD CLASS	3B
THREAD DIRECTION	RIGHT-HAND
MATERIAL	IRON ALLOY 660 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE NUT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE NUT
HARDNESS RATING	NOT RATED
NUT STYLE	A299 CASTELLATED HEXAGON
WASHER OUTSIDE DIAMETER	1.700 INCHES MINIMUM
OVERALL HEIGHT	1.156 INCHES NOMINAL
WASHER THICKNESS	0.140 INCHES NOMINAL
WIDTH ACROSS FLATS	1.239 INCHES MINIMUM AND 1.257 INCHES MAXIMUM
LOCKING FEATURE	PREVAILING TORQUE ALL METAL DESIGN
LUBRICATION	DRY FILM LUBRICANT
TEMP RATING	NOT RATED

Restrictions/Controls & Freight Information | NSN 5310-01-348-8514

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 5310-01-348-8514

Air Force

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.
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