Bearing surface convex 3.000 in. Radius
A washer, round in shape, having a centrally located hole. One bearing surface is flat, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. Either or both of the bearing surfaces must be broken by a counterbore, countersink, or similar shaped recess. The thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. For items having a shoulder (boss) of greater thickness, use bearing, sleeve; bushing, sleeve; or spacer, sleeve. Excludes insulator, washer and thrust type washers.
Classification: Cotters, cotter-pins, washers and similar articles, of aluminum
NSN 6610-01-423-3608
NSN 5960-01-008-2177
NSN 5855-01-537-7059
NSN 5975-01-425-6504
NSN 5855-01-020-7982
NSN 6150-01-090-0982
NSN 6610-00-077-3172
NSN 5990-00-461-5372
NSN 5835-01-534-3172
NSN 5835-00-245-9453
NSN 6685-00-982-2843
NSN 6650-00-854-0265