5310-00-637-4112 WASHER,FLAT Index 5320-00-637-4118 RIVET,SOLID

National Stock Number:
5310-00-637-4113

Federal Supply Class:
5310

National Item Identification Number:
006374113

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:
1155873ISSUE106KW9LUCENT TECHNOLOGIES INC DBA FEDERAL MARKETING GROUP
1155873ISSUE13B4M0LUCENT TECHNOLOGIES INC CORPORATE HEADQUARTERS
1155873ISSUE164959AMERICAN TELEPHONE AND TELEGRAPH CO


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.166 INCHES NOMINAL
LENGTH0.469 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-601,TEMPER T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 5052 OVERALL
PERIPHERAL SHAPE STYLEELLIPTICAL
SPECIAL FEATURESONE 0.029 IN. THICK CONCAVE LIP ON OUTER EDGE OF ONE SIDE,OPPOSITE SIDE HAS 0.025 IN. RADIUS ROUNDED BEARING SURFACE ON ONE FACE OF WASHER
WIDTH0.375 INCHES NOMINAL
SURFACE TREATMENTANODIZE OVERALL
THICKNESS0.188 INCHES NOMINAL


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