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 6150-01-457-4142
NSN 6130-01-631-4096
NSN 6145-01-072-3352
NSN 5965-01-231-9125
NSN 4140-00-255-7802
NSN 6685-00-862-5431
NSN 6685-01-310-7193
NSN 5960-01-612-9844
NSN 5950-00-837-2369
NSN 6650-01-381-2972
NSN 5925-00-336-1992
NSN 6150-01-463-5619