5310-01-353-8285 WASHER,FLAT Index 5310-01-353-8287 WASHER,LOCK

National Stock Number:
5310-01-353-8286

Federal Supply Class:
5310

National Item Identification Number:
013538286

Description:
WASHER,FLAT

Detail:
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.


Manufacturer Information:
21103814353711NAVAL SEA SYSTEMS COMMAND
593-6405224 PIECE 12753711NAVAL SEA SYSTEMS COMMAND
DF7501-102-12743689HUNTINGTON INGALLS INC


Techincal Specification:
HOLE DIAMETER0.656 INCHES NOMINAL
OVERALL DIAMETER2.438 INCHES NOMINAL
MATERIALSTEEL OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
THICKNESS0.250 INCHES NOMINAL


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