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 6110-01-372-1314
NSN 5975-01-498-6615
NSN 6620-01-485-0556
NSN 2925-01-004-5627
NSN 6240-01-342-0583
NSN 5960-01-271-8107
NSN 6685-01-278-9836
NSN 6685-00-106-6514
NSN 6110-01-450-1206
NSN 7035-00-327-0458
NSN 4140-01-458-0356
NSN 6620-01-415-5803