2590-00-832-8711

7530-21-914-4907 7530219144907 219144907 is a printed or typed sheet form document with blank space or spaces for insertion of specific information. excludes card, tabulating, electric accounting machine; paper, tabulating machine, continuous flat fold; paper, graph; indicating slip, dictating machine; envelope (as modified); label; chart (as modified) and tag (as modified).

5820-00-914-4907 5820009144907 009144907

5310-99-914-4907 5310999144907 999144907 is 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.