5310-00-641-3304 WASHER,FLAT Index 5330-00-641-3309 FELT,MECHANICAL,PREFORMED

National Stock Number:
5310-00-641-3308

Federal Supply Class:
5310

National Item Identification Number:
006413308

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:
517577724617GENERAL MOTORS CORP
517577772582ROLLS-ROYCE SOLUTIONS AMERICA INC


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.312 INCHES NOMINAL
OVERALL DIAMETER2.500 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALWOOL COMP 12R3 OVERALL
MINIMUM TENSILE STRENGTH250 POUNDS PER SQUARE INCH
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.250 INCHES NOMINAL


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