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: Washers other than lock washers, iron or steel
NSN 5920-00-598-0469
NSN 6240-01-305-6933
NSN 5960-00-133-9234
NSN 6145-01-437-7086
NSN 6650-00-107-8509
NSN 5960-00-892-0990
NSN 6220-00-875-6586
NSN 6105-01-299-1538
NSN 5998-01-067-9359
NSN 6645-01-202-3760
NSN 4140-01-384-5267
NSN 6240-01-519-2935