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 6685-01-091-6254
NSN 5895-01-465-0611
NSN 5990-00-503-4724
NSN 5920-01-197-8397
NSN 6105-01-632-9342
NSN 6320-00-456-0836
NSN 6620-00-261-5396
NSN 6110-01-325-8943
NSN 7035-01-174-7878
NSN 6320-01-294-7161
NSN 5835-00-995-0277
NSN 6135-01-420-5907