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 6685-01-616-9573
NSN 5905-01-326-7755
NSN 5950-01-132-5968
NSN 6620-01-083-1526
NSN 5855-01-423-9921
NSN 5905-00-051-5355
NSN 6150-00-647-3285
NSN 6135-00-008-5345
NSN 6130-01-121-5118
NSN 5996-01-642-3520
NSN 5965-01-295-4426
NSN 5945-01-509-8387