2940-00-171-3678 GASKET Index 5330-00-171-3680 GASKET

National Stock Number:
5310-00-171-3679

Federal Supply Class:
5310

National Item Identification Number:
001713679

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:
15345455469ESSEX INDUSTRIES, INC.
1903379150DANA AUTOMOTIVE SYSTEMS GROUP, LLC
85501216460MARINE ENGINE SPECIALTIES DIV OF MESCO TECTONICS INC
85501224617GENERAL MOTORS CORP
85501270040GENERAL MOTORS CORP AC ROCHESTER DIV
8550127X677GENERAL MOTORS LLC


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.251 INCHES MINIMUM AND 0.255 INCHES MAXIMUM
OVERALL DIAMETER0.381 INCHES MINIMUM AND 0.401 INCHES MAXIMUM
MATERIALCOPPER OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.0495 INCHES MINIMUM AND 0.0525 INCHES MAXIMUM


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