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 6610-01-043-5162
NSN 6320-00-433-2773
NSN 5930-01-565-4952
NSN 5985-00-734-4667
NSN 6610-01-644-2546
NSN 5930-00-033-6563
NSN 5996-00-755-4182
NSN 5930-00-396-6511
NSN 6645-01-160-7707
NSN 5910-01-231-5891
NSN 5920-01-180-8307
NSN 5950-01-589-2148