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 6320-01-435-5991
NSN 5925-00-960-5214
NSN 5935-00-282-2729
NSN 6220-00-314-9680
NSN 6135-00-838-7008
NSN 2925-01-197-7864
NSN 5930-01-441-9317
NSN 5996-00-289-9847
NSN 5975-01-338-1074
NSN 5935-01-189-5313
NSN 6105-01-330-8211
NSN 6130-01-146-0332