Grade 8; 0.375 inches diameter
No other part numbers with same form, fit, and function found.
A washer which is usually round with a centrally located hole. Its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. It may be made of one or two pieces
NSN 5975-01-550-9752
NSN 5930-00-231-5538
NSN 6110-00-932-1590
NSN 5998-01-430-3917
NSN 6620-00-079-0311
NSN 6610-01-119-2298
NSN 6320-01-372-1170
NSN 5855-01-565-1405
NSN 6145-01-634-0388
NSN 4140-01-231-4422
NSN 5855-01-339-1718
NSN 5998-01-062-8163