Product Details | FLAT WASHER

5310-00-817-5531 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: FFW92, 9175534, 5310-00-817-5531, 00-817-5531, 5310008175531, 008175531

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1962 00-817-5531

Drawings & Photos | NSN 5310-00-817-5531


Demand History | NSN 5310-00-817-5531

Part Number Request Date QTY Origin
FFW92 2018-07-207 2 United States
FFW92 2016-08-217 21 US
FFW92 2011-10-304 495 United States

Cross Reference | NSN 5310-00-817-5531

Part Number Cage Code Manufacturer
9175534 00000 ORDNANCE CORPS
FFW92 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES

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Technical Data | NSN 5310-00-817-5531

Characteristic Specifications
MATERIAL STEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-698,T1 FED SPEC ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENT CADMIUM OVERALL
HOLE DIAMETER 0.172 INCHES NOMINAL
PERIPHERAL SHAPE STYLE 1 ROUND
OVERALL DIAMETER 0.281 INCHES NOMINAL
CENTER HOLE SHAPE STYLE 1 ROUND
CROSS-SECTIONAL SHAPE STYLE 1 RECTANGULAR
THICKNESS 0.031 INCHES NOMINAL
SURFACE FINISH 32.0 MICROINCHES ALL SURFACES
NONDEFINITIVE SPEC/STD DATA A TYPE AND 2 GRADE AND A CLASS
DEPARTURE FROM CITED DESIGNATOR AS MODIFIED BY SURFACE FINISH,HOLE DIA,OUTSIDE DIM,SURFACE ROUGHNESS AND NOT PACKAGED FOR ISSUE
MANUFACTURERS CODE 81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE FFW92

Restrictions/Controls & Freight Information | NSN 5310-00-817-5531

Category Code Description
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.
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 194120 WASHERS/GASKETS/PCKG DVCS NOI
Less than car load rating S 60
Less than truck load rating W Rating Variable
Water commodity Code 713 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 V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
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