5306-00-639-7646 BOLT,SHOULDER Index 5310-00-639-7660 WASHER,SPRING TENSION

National Stock Number:
5310-00-639-7652

Federal Supply Class:
5310

National Item Identification Number:
006397652

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:
SWSS0605-01WV19315HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS FORMER BENDIX NAVIGATION AND CONTROL SYSTEMS
SWSS0605-01WV55972HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS
SWSS0605-01WV96774HONEYWELL INTERNATIONAL INC.


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HARDNESS RATING90.5 ROCKWELL B NOMINAL
HOLE DIAMETER0.093 INCHES NOMINAL
OVERALL DIAMETER0.156 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7720,COND D MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.012 INCHES NOMINAL


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