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 5855-01-089-2248
NSN 6685-01-141-5288
NSN 6130-01-621-1693
NSN 5985-01-110-2534
NSN 5999-00-450-7279
NSN 7035-01-420-3238
NSN 5965-01-434-4095
NSN 5915-00-951-3695
NSN 5999-01-390-2641
NSN 6320-00-218-6105
NSN 5910-01-401-5279
NSN 6135-01-544-8463