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 5905-00-228-0738
NSN 5960-01-507-9112
NSN 2925-00-684-7708
NSN 5930-00-051-4448
NSN 6685-01-159-9355
NSN 7035-00-142-9076
NSN 6645-01-492-1055
NSN 6240-01-605-8096
NSN 5855-01-020-7982
NSN 6320-00-284-1524
NSN 6130-01-252-9557
NSN 5999-00-404-6618