Product Details | FLAT WASHER

5310-01-318-0878 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: 70031732, 7003-17-32, 5310-01-318-0878, 01-318-0878, 5310013180878, 013180878

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 12 APR 1990 01-318-0878

Drawings & Photos | NSN 5310-01-318-0878


Demand History | NSN 5310-01-318-0878

Part Number Request Date QTY Origin
5310-01-318-0878 2022-01-27 40 Germany
5310-01-318-0878 2021-11-328 40 Germany
5310-01-318-0878 2021-09-250 2 Germany
5310-01-318-0878 2011-08-222 50 DE

Cross Reference | NSN 5310-01-318-0878

Part Number Cage Code Manufacturer
7003-17-32 54395 WESTERN SKY INDUSTRIES, LLC DBA ELECTROMECH TECHNOLOGIES
7003-17-32 64059 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN MISSILES AND

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Technical Data | NSN 5310-01-318-0878

Characteristic Specifications
TEST DATA DOCUMENT 18876-13299700-200 DRAWING
MANUFACTURERS CODE 54395
DESIGN CONTROL REFERENCE 7003-17-32

Restrictions/Controls & Freight Information | NSN 5310-01-318-0878

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: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
No Freight Information