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: Copper washers including spring washers not threaded
NSN 5925-00-059-4991
NSN 5930-01-454-1887
NSN 5855-00-532-0025
NSN 5960-01-657-5958
NSN 5895-00-843-5418
NSN 5945-01-160-6247
NSN 5999-01-007-2319
NSN 6610-01-006-3255
NSN 5855-01-431-3531
NSN 6145-00-583-9989
NSN 5925-00-250-4372
NSN 6240-01-563-5578