5998-00-297-4568 CIRCUIT CARD ASSEMBLY Index 5998-00-297-4570 CIRCUIT CARD ASSEMBLY

National Stock Number:
5310-00-297-4569

Federal Supply Class:
5310

National Item Identification Number:
002974569

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:
671860924617GENERAL MOTORS CORP
671860963005ROLLS-ROYCE CORPORATION
EMP188524380EMPIRE MFG CO INC
671860973342ALLISON TRANSMISSION INC


Techincal Specification:
MATERIALRUBBER SYNTHETIC AND
CORK OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-6183,CL 2,GR MEDIUM MIL SPEC ALL MATERIAL RESPONSES OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.867 INCHES MINIMUM AND
0.873 INCHES MAXIMUM
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER1.630 INCHES MINIMUM AND
1.635 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.062 INCHES NOMINAL
HARDNESS RATING60.0 SHORE DUROMETER A MINIMUM AND
75.0 SHORE DUROMETER A MAXIMUM


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