3120-00-145-7453 BUSHING,SLEEVE Index 3120-00-145-7455 BUSHING,SLEEVE

National Stock Number:
5310-00-145-7454

Federal Supply Class:
5310

National Item Identification Number:
001457454

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:
1922424PC5082522PUGET SOUND NAVAL SHIPYARD AND INTERMEDIATE MAINTENCE FACILITY


Techincal Specification:
CENTER HOLE SHAPE STYLEOCTAGON
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE WIDTH ACROSS FLATS1.562 INCHES NOMINAL
OVERALL DIAMETER3.312 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 304 OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.250 INCHES NOMINAL


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