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 5935-00-281-1237
NSN 5905-01-190-5568
NSN 5895-01-408-5236
NSN 6645-00-530-3468
NSN 5965-00-578-8931
NSN 5950-01-168-7568
NSN 6610-01-330-7839
NSN 5925-01-210-7198
NSN 5999-01-452-0529
NSN 6685-01-462-5866
NSN 5920-01-041-5378
NSN 6150-00-319-0814