5310-01-122-0407 WASHER,FLAT Index 4820-01-122-0409 VALVE,DIAPHRAGM,STOP

National Stock Number:
5310-01-122-0408

Federal Supply Class:
5310

National Item Identification Number:
011220408

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:
590610GEN7GROVE R B INC
590610HPN5CLASSIC RESTORATION AND SALES
590611QWC5JASMIN DEFENSE INDUSTRIAL DEPOT
590613V112SABRE ENGINES INC
59061U2340SABRE ENGINES LTD


Click here to Register for Free 30-day Trial