5306-01-429-1037 BOLT,MACHINE Index 5320-01-429-1039 RIVET,SOLID

National Stock Number:
5310-01-429-1038

Federal Supply Class:
5310

National Item Identification Number:
014291038

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:
3330585-117772AERO ENGINEERING & MANUFACTURING COMPANY OF CALIFORNIA, LLC
3330585-198897LOCKHEED MARTIN CORP
988970YBF0AMERICAN VALLEY AVIATION, INC.
9889717772AERO ENGINEERING & MANUFACTURING COMPANY OF CALIFORNIA, LLC
988973P104WILLIAMS AEROSPACE & MANUFACTURING INC


Techincal Specification:
MATERIALSTEEL COMP 1020 OR
STEEL COMP 1025 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7952 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER2.520 INCHES NOMINAL
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER3.730 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.071 INCHES NOMINAL


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