5330-00-530-1976 SHIM Index 4920-00-530-1981 FIXTURE,ENGINE MAINTENANCE,AIRCR

National Stock Number:
5310-00-530-1979

Federal Supply Class:
5310

National Item Identification Number:
005301979

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:
1JA2632H0148306NORTHROP GRUMMAN SUPPORT SERVICES CORP
1JA2632H0179500WESTINGHOUSE ELECTRIC CORP
1JA2632H0197942NORTHROP GRUMMAN SYSTEMS CORPORATION
1JB130ITEM779500WESTINGHOUSE ELECTRIC CORP
505B1-994033CARDWELL CONDENSER CORP LAPOINTE-ADMIRAL DIV
B585-700531AVIONICS CORP OF AMERICA


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.156 INCHES NOMINAL
OVERALL DIAMETER0.375 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-F-20085 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCELLULOSE OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.031 INCHES NOMINAL


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