6145-01-547-5387 WIRE,ELECTRICAL Index 5340-01-547-5389 CAP,PROTECTIVE,DUST AND MOISTURE

National Stock Number:
5310-01-547-5388

Federal Supply Class:
5310

National Item Identification Number:
015475388

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:
2202-9-000005121SC69XPER, INC.
9-000005121SC69XPER, INC.
AEW24X37N000SH8A1105047THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS
96659A10839428MCMASTER-CARR SUPPLY CO


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.406 INCHES NOMINAL
OVERALL DIAMETER0.812 INCHES NOMINAL
MATERIALSTEEL OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER,FLAT
PERIPHERAL SHAPE STYLEROUND
SPECIAL FEATURESFLAT WASHER, SAE STANDARD 18-8 STAINLESS STEEL. ALL MEET ASME B18.22.1 ALSO CALLED TYPE A. 18-8 STAINLESS STEEL HAVE EXCELLENT CORROSION RESISTANCE. MAY BE MILDLY MAGNETIC. SCREW SIZE 0.375
THICKNESS0.050 INCHES MINIMUM AND 0.080 INCHES MAXIMUM


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