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 6685-00-974-2596
NSN 6650-00-740-7338
NSN 5925-00-800-9894
NSN 5920-01-317-1801
NSN 6240-01-644-6587
NSN 6240-00-260-0399
NSN 6130-01-453-8262
NSN 5960-00-833-9154
NSN 5835-00-905-7165
NSN 5925-00-789-3718
NSN 6320-01-592-6248
NSN 5905-00-168-8846