4820-01-468-9087 VALVE,SAFETY RELIEF Index 5365-01-468-9089 SHIM

National Stock Number:
5310-01-468-9088

Federal Supply Class:
5310

National Item Identification Number:
014689088

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:
432373153711NAVAL SEA SYSTEMS COMMAND
701-43237131 SH 21 PN 2953711NAVAL SEA SYSTEMS COMMAND
701-4323731 SH 21 PN 2953711NAVAL SEA SYSTEMS COMMAND
701-4323731 SH2 1 P/N 29D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH


Techincal Specification:
MATERIALCOPPER ALLOY OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.250 INCHES NOMINAL
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER2.500 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.125 INCHES NOMINAL


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