5305-01-533-6611 SCREW,SELF-DRILLING Index 5340-01-533-6613 STANDOFF,THREADED,SPACING

National Stock Number:
5310-01-533-6612

Federal Supply Class:
5310

National Item Identification Number:
015336612

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:
3000396-10805NF7HDT TACTICAL POWER, INC.
3000396-108F05NF7HDT TACTICAL POWER, INC.
3000396-108F92878HDT EXPEDITIONARY SYSTEMS INC
5/16 SS7U571WURTH REVCAR FASTENERS, INC.


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.312 INCHES NOMINAL
MATERIALSTEEL CORROSION RESISTING OVERALL
PERIPHERAL SHAPE STYLEROUND


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