4730-01-070-7657 NUT,UNION Index 5310-01-070-7659 WASHER,FLAT

National Stock Number:
5310-01-070-7658

Federal Supply Class:
5310

National Item Identification Number:
010707658

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:
7087757P001D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH
7087757P103538LOCKHEED MARTIN CORPORATION


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.300 INCHES NOMINAL
OVERALL DIAMETER0.620 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-6855,CL 4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALRUBBER CHLOROPRENE CLASS CR OVERALL
PERIPHERAL SHAPE STYLEROUND
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY SPECIAL TEST FEATURES
SPECIAL TEST FEATURESMIL-Q-21549B-SP24-1


Click here to Register for Free 30-day Trial