13 0.531 in. Diameter holes on 8.250 in. Diameter bolt circle
A thin flat metal or plastic item of various peripheral shapes having a solid or laminated cross-section. It is designed to maintain a predetermined distance between two surfaces. For round items without a hole and having a solid rectangular cross-section use disk, solid, plain. Items with either (1) a solid (not laminated) cross-section, or (2) a non-separable laminated cross-section with one hole centrally located, must have a thickness less than 0.006 inch (0.152 mm) for items less than 1/4 inch (6.35 mm) outside diameter or shortest distance across peripheral flats, and less than 0.016 inch (0.406 mm) for items 1/4 inch (6.35 mm) or more outside diameter, or shortest distance across peripheral flats. for items with thickness greater than those indicated above, see spacer, plate; washer, flat and spacer, ring. when thickness and/or outside diameter or shortest distance across peripheral flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance. See also shim stock, laminated; shim stock assortment, gasket; and bearing, washer, thrust.
Classification: Other articles of iron or steel not wire nesoi
NSN 5945-01-353-5868
NSN 5915-01-463-7047
NSN 6110-01-371-1978
NSN 6220-01-634-0660
NSN 5910-01-535-6551
NSN 5998-01-443-3293
NSN 5895-00-515-6368
NSN 5945-01-295-5497
NSN 5835-00-216-4568
NSN 4140-00-862-5644
NSN 6220-01-565-1781
NSN 6645-01-595-4323