5365-00-197-5288 SPACER,RING Index 5310-00-197-5292 WASHER,FLAT

National Stock Number:
5310-00-197-5291

Federal Supply Class:
5310

National Item Identification Number:
001975291

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:
129-76824617GENERAL MOTORS CORP
129-76872915GENERAL MOTORS CORP ELECTRO-MOTIVE DIV
129-7687X677GENERAL MOTORS LLC
158-81724617GENERAL MOTORS CORP
158-81772915GENERAL MOTORS CORP ELECTRO-MOTIVE DIV
158-8177X677GENERAL MOTORS LLC
174-15824617GENERAL MOTORS CORP
174-15872915GENERAL MOTORS CORP ELECTRO-MOTIVE DIV
174-1587X677GENERAL MOTORS LLC


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.938 INCHES NOMINAL
OVERALL DIAMETER1.438 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-576 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.062 INCHES NOMINAL


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