5310-00-877-9577 WASHER,KEY Index 5930-00-877-9582 SWITCH,ROTARY

National Stock Number:
5310-00-877-9581

Federal Supply Class:
5310

National Item Identification Number:
008779581

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:
363897-198897LOCKHEED MARTIN CORP
5310PL09291399009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.800 INCHES NOMINAL
OVERALL DIAMETER1.188 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-633 FED SPEC ALL MATERIAL RESPONSES AND SAE NATIONAL SPEC ALL MATERIAL RESPONSES OVERALL
MATERIALCOPPER ALLOY 116 OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE FINISH63.0 MICROINCHES ALL SURFACES
THICKNESS0.075 INCHES NOMINAL


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