Six sides; every corner is curved; aperture has a keyway on each end along the length, 0.255 in. Radius
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 5915-01-376-7687
NSN 6135-01-660-2840
NSN 5835-00-813-1724
NSN 6145-00-815-0119
NSN 4140-01-271-1918
NSN 6320-01-592-6248
NSN 6110-00-919-2380
NSN 6685-00-432-3576
NSN 5910-01-069-3162
NSN 5855-01-074-3335
NSN 5895-00-705-9156
NSN 5915-00-556-6163