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 2925-00-631-1709
NSN 6110-01-184-3658
NSN 5998-01-355-0772
NSN 5975-01-294-9551
NSN 5965-01-386-2988
NSN 6110-01-633-9660
NSN 5895-01-463-3315
NSN 6240-00-270-8182
NSN 6110-01-325-4790
NSN 6240-01-161-1430
NSN 5975-01-229-2854
NSN 6150-00-262-0477