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 6130-01-246-4154
NSN 5910-01-111-7538
NSN 5855-01-653-9463
NSN 6220-01-383-3920
NSN 6610-00-273-9019
NSN 5895-01-553-4992
NSN 6620-01-043-2595
NSN 5925-01-272-6780
NSN 6685-01-276-6598
NSN 6240-00-068-5543
NSN 5945-01-379-3698
NSN 5996-01-547-6638