5310-00-595-5996, WASHER,FLAT

National Stock Number:
5310-00-595-5996

Federal Supply Class:
5310

National Item Identification Number:
005955996

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:

FFW92TYPEAGRADE2CLASSF

81348

FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC

Techincal Specification:

CENTER HOLE SHAPE STYLE	ROUND
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
DEPARTURE FROM CITED DESIGNATOR	AS MODIFIED BY OD,AS MODIFIED BY THK
HOLE DIAMETER	0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-C-576 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	COPPER ALLOY OVERALL
NONDEFINITIVE SPEC/STD DATA	A TYPE AND 1 GRADE AND F STYLE
OVERALL DIAMETER	0.655 INCHES MINIMUM AND 0.656 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE	ROUND
THICKNESS	0.0139 INCHES MINIMUM AND 0.0179 INCHES MAXIMUM

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