5310-00-639-7728 WASHER,FLAT Index 5310-00-639-7732 WASHER,FLAT

National Stock Number:
5310-00-639-7731

Federal Supply Class:
5310

National Item Identification Number:
006397731

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:
10480757712TELEMECHANICS INC
10480764959AMERICAN TELEPHONE AND TELEGRAPH CO
10480770408AT AND T CORP
104807D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH
N17T350012-74499993DEPARTMENT OF THE NAVY
N17TE10480780133NAVY ELECTRONICS SUPPLY OFFICE


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
FEATURES PROVIDEDCASEHARDENED
HEAT TREATMENTAS FABRICATED
HOLE DIAMETER0.116 INCHES NOMINAL
OVERALL DIAMETER0.250 INCHES NOMINAL
MATERIALSTEEL OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENTZINC OVERALL
THICKNESS0.035 INCHES NOMINAL


Click here to Register for Free 30-day Trial