5310-01-461-8358, WASHER,FLAT

6515-01-461-8357 SPLINTING MATERIAL,ORTHOPEDIC

National Stock Number:
5310-01-461-8358

Federal Supply Class:
5310

National Item Identification Number:
014618358

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:

12387279-55

19207

U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM

Techincal Specification:

CENTER HOLE SHAPE STYLE	ROUND
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
HOLE DIAMETER	0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM
OVERALL DIAMETER	0.729 INCHES MINIMUM AND 0.749 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A549 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 1008 OR STEEL COMP 1010 OR STEEL COMP 1108 OR STEEL COMP 1110 OVERALL
PERIPHERAL SHAPE STYLE	ROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-STD0171 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	ZINC AND CHROMATE OVERALL
THICKNESS	0.064 INCHES MINIMUM AND 0.094 INCHES MAXIMUM

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