Stock is cold rolled 301 cres, one-half hard, 150 ksi tensile strength, 2b finish; 18cr - 8ni (sae 30301); fits no. 2 screw
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 5960-01-069-2009
NSN 6610-01-448-8904
NSN 5960-00-440-0336
NSN 5835-01-004-1495
NSN 6110-01-461-2631
NSN 5935-01-029-3086
NSN 5945-00-150-0520
NSN 6620-01-415-5803
NSN 5975-00-229-9593
NSN 5999-01-576-9958
NSN 4140-00-238-9940
NSN 4140-01-170-5395