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 6240-00-935-1480
NSN 6650-01-322-4415
NSN 5975-01-394-4068
NSN 7035-00-968-4848
NSN 6645-01-552-0004
NSN 6320-01-540-4885
NSN 5999-01-144-9448
NSN 5998-01-170-5737
NSN 6620-00-678-3386
NSN 6220-01-153-7943
NSN 5895-01-166-3388
NSN 6610-00-225-9886