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 6145-01-391-7733
NSN 5990-01-468-1292
NSN 6135-01-654-4548
NSN 7035-01-604-4501
NSN 5920-00-409-3650
NSN 5855-01-361-2362
NSN 5998-01-641-4675
NSN 5960-00-379-4452
NSN 4140-00-155-8012
NSN 5975-01-057-9547
NSN 6110-01-365-4649
NSN 5910-01-212-3090