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 6685-01-251-0322
NSN 6685-01-565-8405
NSN 6240-00-688-6351
NSN 5895-01-157-9330
NSN 6610-01-476-6891
NSN 5996-00-735-6822
NSN 5920-00-269-6178
NSN 6150-01-107-3455
NSN 6130-01-213-6501
NSN 6320-00-450-7014
NSN 5855-01-122-9418
NSN 5895-01-266-5779