5310-00-276-2926 WASHER,FLAT Index 5310-00-276-2943 WASHER,LOCK

National Stock Number:
5310-00-276-2930

Federal Supply Class:
5310

National Item Identification Number:
002762930

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:
5B84809136BAY CITY SHOVELS, INC
K162P09136BAY CITY SHOVELS, INC
K7F09136BAY CITY SHOVELS, INC


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HARDNESS RATING24.0 ROCKWELL B NOMINAL
HOLE DIAMETER2.266 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY 937 OVERALL
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER4.250 INCHES NOMINAL
THICKNESS0.250 INCHES NOMINAL


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