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 5925-01-212-7249
NSN 6105-01-041-8698
NSN 5935-00-971-7244
NSN 6620-01-278-8028
NSN 6620-01-433-7952
NSN 6130-01-426-8841
NSN 5920-00-734-5519
NSN 5920-00-895-3270
NSN 6145-01-508-4668
NSN 6620-01-428-7072
NSN 5996-00-165-2247
NSN 2925-01-144-0011