5310-00-936-0444 WASHER,FLAT Index 5305-00-936-0446 SCREW,MACHINE

National Stock Number:
5310-00-936-0445

Federal Supply Class:
5310

National Item Identification Number:
009360445

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:
767901-304577MISSION SYSTEMS ORCHARD PARK INC
767901-331441AMERICAN SAFETY FLIGHT SYSTEMS INC
767901-362323CONAX FLORIDA CORPORATION
814865098748AIR FORCE UNITED STATES DEPARTMENT OF THE DBA TINKER AFB OC ALC DSP


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HEAT TREATMENTCOLD DRAWN 1/2 HARD CONDITION
HOLE DIAMETER0.239 INCHES MINIMUM AND 0.242 INCHES MAXIMUM
OVERALL DIAMETER0.700 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 301 OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENTPASSIVATE OVERALL
THICKNESS0.025 INCHES NOMINAL


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