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 5998-01-234-7838
NSN 6610-00-923-1917
NSN 5910-00-012-1578
NSN 5950-00-499-8958
NSN 6240-01-227-4178
NSN 5960-01-458-7999
NSN 5915-01-600-5982
NSN 6145-01-432-2440
NSN 6320-01-227-2648
NSN 5920-00-883-9211
NSN 6105-01-225-3222
NSN 2925-01-295-9337