5310-00-044-6231 WASHER,FLAT Index 5310-00-044-6239 WASHER,FLAT

National Stock Number:
5310-00-044-6234

Federal Supply Class:
5310

National Item Identification Number:
000446234

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:
44623424617GENERAL MOTORS CORP
4462347X677GENERAL MOTORS LLC
FFW92TYPEAGRADE1CLASSE81348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM
OVERALL DIAMETER1.250 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY 11 OVERALL
NONDEFINITIVE SPEC/STD DATAA TYPE AND 1 GRADE AND E CLASS
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.086 INCHES MINIMUM AND 0.132 INCHES MAXIMUM


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