Product Details | LOCK WASHER

5310-00-081-4492 A washer which is usually round with a centrally located hole. Its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. It may be made of one or two pieces

Part Alternates: FFW84, 5310-00-081-4492, 00-081-4492, 5310000814492, 000814492

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-081-4492

Drawings & Photos | NSN 5310-00-081-4492


Demand History | NSN 5310-00-081-4492

Part Number Request Date QTY Origin
FFW84 2026-03-65 1 us
FFW84 2025-03-86 1 US
FFW84 2025-03-85 1 United States
5310-00-081-4492 2019-03-78 546 DIBBS
5310-00-081-4492 2018-11-319 546 DIBBS
5310-00-081-4492 2017-03-73 517 DIBBS
5310-00-081-4492 2017-03-64 517 DIBBS
5310-00-081-4492 2016-10-280 481 DIBBS
5310-00-081-4492 2016-06-181 474 DIBBS
5310-00-081-4492 2016-05-147 402 DIBBS
5310-00-081-4492 2010-04-102 187 DIBBS
5310-00-081-4492 2009-03-64 660 DIBBS
5310-00-081-4492 2009-02-35 399 DIBBS
5310-00-081-4492 2008-12-343 241 DIBBS

Cross Reference | NSN 5310-00-081-4492

Part Number Cage Code Manufacturer
FFW84 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES

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Technical Data | NSN 5310-00-081-4492

Characteristic Specifications
MATERIAL NICKEL ALLOY A OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING 33.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
STYLE DESIGNATOR 108 SPLIT HELICAL-RIGHT HAND
HOLE DIAMETER 0.318 INCHES MINIMUM AND 0.328 INCHES MAXIMUM
OUTSIDE DIAMETER 0.407 INCHES NOMINAL
MATERIAL THICKNESS 0.078 INCHES MINIMUM
NONDEFINITIVE SPEC/STD DATA G CLASS AND 2 STYLE
DEPARTURE FROM CITED DOCUMENT AS MODIFIED BY OUTSIDE DIAMETER
III MINIMUM TENSILE STRENGTH 155000 POUNDS PER SQUARE INCH
MANUFACTURERS CODE 81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE FFW84

Restrictions/Controls & Freight Information | NSN 5310-00-081-4492

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:UPrecious 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 139820 NICKEL BOLTS/NAILS/NUTS/RIVETS ETC
Less than car load rating
Less than truck load rating M 85.0
Water commodity Code 576 unknown
Originating Activity Code XX
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 5310-00-081-4492

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesZINSURANCE/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 CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
Q
EA : Each