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 5999-01-078-8135
NSN 5835-01-584-8538
NSN 5950-01-051-5302
NSN 6685-01-213-6245
NSN 5925-00-869-1630
NSN 5855-01-657-7657
NSN 5965-01-629-9131
NSN 5996-00-296-3119
NSN 5895-01-334-1636
NSN 5915-01-160-8993
NSN 5895-01-198-6809
NSN 6130-01-510-9313