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 6130-00-186-8460
NSN 6145-01-260-2570
NSN 5935-01-440-8627
NSN 5999-01-616-7602
NSN 7035-00-981-7216
NSN 5996-00-720-3064
NSN 5998-00-606-8813
NSN 2925-01-022-8332
NSN 6110-00-059-7028
NSN 6145-00-336-1986
NSN 7035-01-319-2315
NSN 5996-01-037-8740