5310-01-294-9444 WASHER,FLAT Index 5310-01-294-9446 WASHER,SHOULDERED

National Stock Number:
5310-01-294-9445

Federal Supply Class:
5310

National Item Identification Number:
012949445

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:
533830-180396214RAYTHEON COMPANY


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.125 INCHES NOMINAL
OVERALL DIAMETER0.250 INCHES NOMINAL
MATERIALSTEEL CORROSION RESISTING OVERALL
SPECIAL FEATURESALTRD FROM MS15795-803 WASH PRIMEPER MIL-C-8514 F-66,METHOD 1,ZINC CHROMATE PRIME PER TT-P-1757,COMPOSITION G,COLOR Y(F53,METHOD 1-YELLOW)415913
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.022 INCHES NOMINAL


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