5305-01-389-8036 SCREW,CAP,SOCKET HEAD Index 5310-01-389-8038 WASHER,LOCK

National Stock Number:
5310-01-389-8037

Federal Supply Class:
5310

National Item Identification Number:
013898037

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:
12414314-004076M6AMZ ALABAMA INC.
12414314-0040FW39BAE SYSTEMS TACTICAL VEHICLE SYSTEMS LP
12414314-00419207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
DIN 7349 6.4 10.9 A3DD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV


Techincal Specification:
MATERIALSTEEL OVERALL
SURFACE TREATMENTZINC OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER6.4 MILLIMETERS NOMINAL
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER17.0 MILLIMETERS NOMINAL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS3.0 MILLIMETERS NOMINAL


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