5310-00-205-9566, WASHER,FLAT

National Stock Number:
5310-00-205-9566

Federal Supply Class:
5310

National Item Identification Number:
002059566

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:

6767578	24617	GENERAL MOTORS CORP
6767578	73342	ALLISON TRANSMISSION INC
7708887	19207	U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM

Techincal Specification:

CENTER HOLE SHAPE STYLE	ROUND
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
HOLE DIAMETER	0.400 INCHES MINIMUM AND 0.420 INCHES MAXIMUM
LENGTH	0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-698 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-698 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-698 FED SPEC 3RD MATERIAL RESPONSE OR SAE ASSN STD 4TH MATERIAL RESPONSE OR SAE ASSN STD 5TH MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 1009 OR STEEL COMP 1015 OR STEEL COMP 1020 OR STEEL COMP 1010 OR STEEL COMP 1022 OVERALL
PERIPHERAL SHAPE STYLE	RECTANGULAR
SPECIAL FEATURES	WASHER HAS ONE CURVED SIDE
WIDTH ACROSS FLATS	0.750 INCHES MINIMUM AND 0.770 INCHES MAXIMUM
THICKNESS	0.020 INCHES MINIMUM AND 0.040 INCHES MAXIMUM

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