5310-00-209-4213 WASHER,FLAT Index 5307-00-209-4221 STUD,PLAIN

National Stock Number:
5310-00-209-4220

Federal Supply Class:
5310

National Item Identification Number:
002094220

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:
1512460XEU2ALNITAK CORPORATION
15124657712TELEMECHANICS INC
15124664959AMERICAN TELEPHONE AND TELEGRAPH CO
151246D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.376 INCHES NOMINAL
OVERALL DIAMETER0.656 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 1000 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENTZINC AND CHROMATE OVERALL
THICKNESS0.020 INCHES NOMINAL


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