Product Details | LOCK WASHER

5310-01-276-0881 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: M24235/1-030, M242351030, FFW84, FF-W-84, 5310-01-276-0881, 01-276-0881, 5310012760881, 012760881

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 03 APR 1988 01-276-0881

Drawings & Photos | NSN 5310-01-276-0881


Demand History | NSN 5310-01-276-0881

Part Number Request Date QTY Origin
5310-01-276-0881 2025-11-307 150 US
5310-01-276-0881 2025-09-252 450 US
FFW84 2025-03-86 1 US
FFW84 2025-03-85 1 United States
5310-01-276-0881 2023-01-10 28 DIBBS
5310-01-276-0881 2017-09-268 91 DIBBS
5310-01-276-0881 2017-09-260 91 DIBBS
5310-01-276-0881 2011-10-284 175 United States
M242351030 2011-02-53 36 US

Cross Reference | NSN 5310-01-276-0881

Part Number Cage Code Manufacturer
FF-W-84 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES
M24235/1-030 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY

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Technical Data | NSN 5310-01-276-0881

Characteristic Specifications
MATERIAL NICKEL ALLOY 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 1.062 INCHES NOMINAL
OUTSIDE DIAMETER 1.484 INCHES NOMINAL
MATERIAL THICKNESS 0.188 INCHES NOMINAL
NONDEFINITIVE SPEC/STD DATA G CLASS
MANUFACTURERS CODE 81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE FF-W-84
MANUFACTURERS CODE 81349
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE M24235/1-030

Restrictions/Controls & Freight Information | NSN 5310-01-276-0881

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:AItem 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:0Represents 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 139820 NICKEL BOLTS/NAILS/NUTS/RIVETS ETC
Less than car load rating
Less than truck load rating M 85.0
Water commodity Code 713 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 5310-01-276-0881

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
1
EA : Each