Product Details | FLAT WASHER

5310-00-285-5631 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: AN960C2, 000-060-023, 10121278 , 9457232022, 945723-2022, 5310-00-285-5631, 00-285-5631, 5310002855631, 000060023, 002855631

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-285-5631

Drawings & Photos | NSN 5310-00-285-5631


Demand History | NSN 5310-00-285-5631

Part Number Request Date QTY Origin
AN960C2 2017-08-227 200 Korea
AN960C2 2011-02-46 4 us
5310-00-285-5631 2009-03-81 10 South Korea
5310-00-285-5631 2008-07-200 10 US

Cross Reference | NSN 5310-00-285-5631

Part Number Cage Code Manufacturer
000-060-023 81590 KORRY ELECTRONICS CO
945723-2022 06481 NORTHROP GRUMMAN SYSTEMS CORPORATION
AN960C2 88044 AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE

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Technical Data | NSN 5310-00-285-5631

Characteristic Specifications
MATERIAL STEEL OVERALL
HOLE DIAMETER 0.081 INCHES MINIMUM AND 0.094 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE 1 ROUND
OVERALL DIAMETER 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE 1 ROUND
CROSS-SECTIONAL SHAPE STYLE 1 RECTANGULAR
THICKNESS 0.028 INCHES MINIMUM AND 0.036 INCHES MAXIMUM
MANUFACTURERS CODE 88044
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE AN960C2

Restrictions/Controls & Freight Information | NSN 5310-00-285-5631

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
No Freight Information