Surface opposite shoulder recessed
No other part numbers with same form, fit, and function found.
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 5960-00-170-6916
NSN 6145-01-364-0346
NSN 5965-01-383-7235
NSN 6150-01-657-8909
NSN 6135-00-221-4720
NSN 5960-01-245-6088
NSN 5960-00-542-7107
NSN 2925-01-215-5022
NSN 6645-01-594-1439
NSN 6685-01-135-2028
NSN 6135-01-560-8130
NSN 5855-01-213-9076