Flat washer, sae standard 18-8 stainless steel. All meet asme b18.22.1 also called type a. 18-8 stainless steel have excellent corrosion resistance. May be mildly magnetic. Screw size 0.375
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 5996-01-356-3791
NSN 6220-00-300-5412
NSN 6650-01-425-1934
NSN 6105-01-502-6541
NSN 2925-00-051-1467
NSN 5965-01-046-9619
NSN 5925-01-462-2209
NSN 5965-00-806-7593
NSN 6130-00-902-5692
NSN 6150-01-453-5062
NSN 5990-01-130-4959
NSN 6150-00-140-8270