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 6240-00-913-4243
NSN 6645-01-108-3457
NSN 5925-00-912-9343
NSN 5855-01-634-0259
NSN 5915-00-518-1644
NSN 6645-00-905-2361
NSN 6645-01-656-6416
NSN 6320-01-476-7702
NSN 5930-01-527-6977
NSN 5915-00-528-7992
NSN 5950-01-463-9780
NSN 6105-01-212-3394