5340-01-506-5228 PLATE,MOUNTING Index 5998-01-506-5230 CIRCUIT CARD ASSEMBLY

National Stock Number:
5310-01-506-5229

Federal Supply Class:
5310

National Item Identification Number:
015065229

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:
6393035-131442NORTHROP GRUMMAN SYSTEMS CORPORATION
6393035-153711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.656 INCHES NOMINAL
OVERALL DIAMETER1.500 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B139, COMP A, ROD ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY 510 OVERALL
PERIPHERAL SHAPE STYLEROUND
SPECIAL FEATURESDRAWING CALLS THIS: WASHER, REACH ROD
THICKNESS0.190 INCHES NOMINAL


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