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.
Classification: Copper washers including spring washers not threaded
NSN 5915-00-243-2030
NSN 6145-00-061-5438
NSN 5915-00-514-2098
NSN 6320-00-456-2092
NSN 6145-01-352-0703
NSN 5835-01-084-6997
NSN 5965-00-391-0562
NSN 5910-01-363-1437
NSN 6145-01-216-8291
NSN 5950-01-385-0203
NSN 5985-01-351-5671
NSN 5990-00-140-4559