1680-00-805-2695 SEAT,AIRCRAFT EJECTION Index 6105-00-805-2704 MOTOR,ALTERNATING CURRENT

National Stock Number:
5310-00-805-2697

Federal Supply Class:
5310

National Item Identification Number:
008052697

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:
952B120P124446GENERAL ELECTRIC COMPANY
952B120P152662CRYSTAL MACHINE AND DIE CORP
952B120P199207GENERAL ELECTRIC COMPANY


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HARDNESS RATING50.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM
HOLE DIAMETER0.200 INCHES MINIMUM AND 0.220 INCHES MAXIMUM
OVERALL DIAMETER0.520 INCHES MINIMUM AND 0.540 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5630 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 440C OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE FINISH32.0 MICROINCHES BOTTOM
SURFACE FINISH32.0 MICROINCHES TOP
SURFACE TREATMENTPASSIVATE OVERALL
THICKNESS0.0305 INCHES MINIMUM AND 0.0310 INCHES MAXIMUM


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