Boss on small diameter 0.125 in. Long
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 6650-01-327-3068
NSN 6645-01-412-4233
NSN 5998-00-334-0386
NSN 5985-01-594-9417
NSN 6105-01-177-7240
NSN 5999-01-153-7672
NSN 6150-00-406-8237
NSN 5950-00-113-5347
NSN 5985-01-602-2375
NSN 5835-01-521-4979
NSN 5910-00-703-0897
NSN 5999-00-007-7072