5310-01-013-5804 WASHER,FLAT Index 4820-01-013-5806 SEAT,VALVE

National Stock Number:
5310-01-013-5805

Federal Supply Class:
5310

National Item Identification Number:
010135805

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:
6286416004DAVEY COMPRESSOR CO DIV OF KECO INDUSTRIES INC
6286429215JENNY PRODUCTS, INC
685-6286455683WHEELER FLEET SOLUTIONS, CO.


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HARDNESS RATING75.0 DUROMETER NOMINAL
HOLE DIAMETER0.250 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
OVERALL DIAMETER1.188 INCHES MINIMUM AND 1.312 INCHES MAXIMUM
MATERIALRUBBER SYNTHETIC OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.157 INCHES MINIMUM AND 0.219 INCHES MAXIMUM


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