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: Cotters, cotter-pins, washers and similar articles, of aluminum
NSN 6145-01-184-4360
NSN 5990-00-155-2306
NSN 5990-00-932-3070
NSN 5930-01-450-7919
NSN 6135-01-040-1446
NSN 5930-01-574-4729
NSN 6240-01-528-1585
NSN 5975-00-976-1035
NSN 6650-01-137-7450
NSN 4140-00-274-9196
NSN 6220-00-919-5231
NSN 5925-00-368-1291