5310-99-122-8070

Flat Washer

5310991228070 991228070 BS4320 V-SQ8029ITEM16 A0/12317/01 ITEM 44 A4/12317/26 ITEM 44 GR/26758/S ITEM 6 A00298 N01726 N01726A FV 2109653 ITEM 67 FV 2109653-67 8FSC DEFSTAN53-17 242-11476-4

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. View more Flat Washer