5310-00-058-9418 WASHER,FLAT Index 5905-00-058-9420 RESISTOR,VARIABLE,WIRE WOUND,PRE

National Stock Number:
5310-00-058-9419

Federal Supply Class:
5310

National Item Identification Number:
000589419

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:
G613977-223667SMITHS DETECTION INC.
G613977-256540ASSOCIATED AIRCRAFT MANUFACTURING & SALES, INC.
G613977-292674A T AND T TECNOLOGIES INC SUB OF AMERICAN TELEPHONE AND TELEGRAPH NORTH CAROLINA WORKS


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.6883 INCHES MINIMUM AND 0.6899 INCHES MAXIMUM
OVERALL DIAMETER0.920 INCHES MINIMUM AND 0.925 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-5687 TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.100 INCHES NOMINAL


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