5310-01-497-3078, WASHER,FLAT

National Stock Number:
5310-01-497-3078

Federal Supply Class:
5310

National Item Identification Number:
014973078

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:

AEW26X37N000GF3LX1	05047	THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS
W221NACN037NN053NNPF1	05047	THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS

Techincal Specification:

CENTER HOLE SHAPE STYLE	ROUND
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
HOLE DIAMETER	0.401 INCHES MINIMUM AND 0.421 INCHES MAXIMUM
OVERALL DIAMETER	0.805 INCHES MINIMUM AND 0.807 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM-A29,G10050-G10200 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 1005 OR STEEL COMP 1006 OR STEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1012 OR STEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OVERALL
PERIPHERAL SHAPE STYLE	ROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416, TY II,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
THICKNESS	0.051 INCHES MINIMUM AND 0.080 INCHES MAXIMUM

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