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 4140-00-430-5155
NSN 5930-01-648-8141
NSN 5950-00-901-1963
NSN 5935-01-341-9687
NSN 5855-01-651-1393
NSN 6645-00-177-4729
NSN 5999-01-231-6512
NSN 6150-00-518-6651
NSN 5985-01-214-2902
NSN 6220-01-615-4461
NSN 2925-01-236-3547
NSN 6130-00-197-9371