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 5990-01-143-2518
NSN 5915-01-576-8602
NSN 5999-01-265-5495
NSN 6645-00-833-2395
NSN 6220-00-187-5519
NSN 5950-00-521-2678
NSN 5930-01-285-1103
NSN 6320-00-098-2858
NSN 6145-01-430-7211
NSN 5965-00-111-2073
NSN 5945-00-954-2731
NSN 5960-01-108-2984