5310-01-211-3810 WASHER,FLAT Index 5310-01-211-3812 WASHER,FLAT

National Stock Number:
5310-01-211-3811

Federal Supply Class:
5310

National Item Identification Number:
012113811

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:
5310PL03919509009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
5310PL07011589009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
941779311862GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT
941779324617GENERAL MOTORS CORP
941779334623AM GENERAL LLC
94177937X677GENERAL MOTORS LLC


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.401 INCHES MINIMUM AND 0.421 INCHES MAXIMUM
OVERALL DIAMETER1.243 INCHES MINIMUM AND 1.280 INCHES MAXIMUM
MATERIALSTEEL OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENTZINC OVERALL
THICKNESS0.090 INCHES MINIMUM AND 0.112 INCHES MAXIMUM


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