9535-00-808-3973 STRIP,METAL Index 5305-00-808-3978 SCREW,CLOSE TOLERANCE

National Stock Number:
5310-00-808-3976

Federal Supply Class:
5310

National Item Identification Number:
008083976

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:
99-51507-00914176JEM ENGINEERING
Q8C1016-1P0WLU1GENERAL DYNAMICS CORP CONVAIR DIV LINDBERGH FIELD FACILITY
Q8C1016-1P14170HUGHES MISSILE SYSTEMS CO SAN DIEGO
Q8C1016-1P63910BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION I
Q8C1016-1P7B709TRACOR FLIGHT SYSTEMS INC SUB OF TRACOR INC


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HEAT TREATMENTHALF HARD
HOLE DIAMETER0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
OVERALL DIAMETER0.750 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 301 OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENTPASSIVATE OVERALL
THICKNESS0.016 INCHES NOMINAL


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