Product Details | FLAT WASHER

5310-01-031-0776 A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use SHIM. For items fabricated from ceramic or electrically rated materials by specification or industry standards use INSULATOR (1), WASHER. Excludes DISK, VALVE, graphite impregnated and lubricated items.

Part Alternates: MS15795405B, MS15795-405B, FFW92, FF-W-92, 5310-01-031-0776, 01-031-0776, 5310010310776, 010310776

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 18 NOV 1976 01-031-0776

Drawings & Photos | NSN 5310-01-031-0776


Demand History | NSN 5310-01-031-0776

Part Number Request Date QTY Origin
FF-W-92 2023-01-18 60 Saudi Arabia
FFW92 2018-07-26 2 United States
FFW92 2016-08-04 21 US
FFW92 2011-10-31 495 United States

Cross Reference | NSN 5310-01-031-0776

Part Number Cage Code Manufacturer
FF-W-92 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES
MS15795-405B 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES
MS15795-405B 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS

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Technical Data | NSN 5310-01-031-0776

Characteristic Specifications
MATERIAL NICKEL ALLOY A OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT OXIDE FILM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-F-495 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
COLOR BLACK OVERALL
HOLE DIAMETER 0.151 INCHES MINIMUM AND 0.164 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE 1 ROUND
OVERALL DIAMETER 0.307 INCHES MINIMUM AND 0.320 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE 1 ROUND
CROSS-SECTIONAL SHAPE STYLE 1 RECTANGULAR
THICKNESS 0.027 INCHES MINIMUM AND 0.048 INCHES MAXIMUM
NONDEFINITIVE SPEC/STD DATA A TYPE AND 1 GRADE AND G CLASS
MANUFACTURERS CODE 81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE FF-W-92

Restrictions/Controls & Freight Information | NSN 5310-01-031-0776

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 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 5310-01-031-0776

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 CodesXSEMIACTIVE ITEM-NO REPLACEMENT (NON-STOCKED ITEMS) A potentially inactive NSN which must be retained in the supply system as an item of supply because (1) stocks of the item are on hand or in use below the wholesale level and (2) the NSN is cited in equipment authorization documents TO & E, TA, TM, etc., or in-use assets are being reported. 1. Items are authorized for central procurement but not authorized for stockage at wholesale level. 2. Requisitions for in-use replacement will be authorized in accordance with individual Military Service directives. 3. Requisitions may be submitted as requirements generate. Repetitive demands may dictate an AAC change to permit wholesale stockage.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
Q
EA : Each