5310-00-637-3964 WASHER,FLAT Index 5310-00-637-3991 WASHER,FLAT

National Stock Number:
5310-00-637-3974

Federal Supply Class:
5310

National Item Identification Number:
006373974

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:
5901-3230147PC680064NAVAL SHIP SYSTEMS COMMAND
M248-8D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH
M840-828193HENRY TECHNOLOGIES, INC.
SK5111NPC628193HENRY TECHNOLOGIES, INC.


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.703 INCHES MINIMUM AND 0.719 INCHES MAXIMUM
OVERALL DIAMETER1.125 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-18411,CL 2-CANC MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENTCADMIUM OVERALL
THICKNESS0.156 INCHES NOMINAL


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