5310-00-514-8345, WASHER,FLAT

National Stock Number:
5310-00-514-8345

Federal Supply Class:
5310

National Item Identification Number:
005148345

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:

6784261	24617	GENERAL MOTORS CORP
6784261	73342	ALLISON TRANSMISSION INC

Techincal Specification:

CENTER HOLE SHAPE STYLE	ROUND
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
HARDNESS RATING	36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
HOLE DIAMETER	0.333 INCHES MINIMUM AND 0.348 INCHES MAXIMUM
OVERALL DIAMETER	0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6350 ASSN STD 1ST MATERIAL RESPONSE AND AMS 6355 ASSN STD 2ND MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 4130 OR STEEL OVERALL
PERIPHERAL SHAPE STYLE	ROUND
SURFACE FINISH	63.0 MICROINCHES ALL SURFACES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
THICKNESS	0.082 INCHES MINIMUM AND 0.096 INCHES MAXIMUM

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