5/16 inch size
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 5950-00-821-1746
NSN 6685-01-431-7678
NSN 5996-01-252-6995
NSN 5990-01-231-9608
NSN 5975-01-386-3061
NSN 5905-00-923-0558
NSN 5950-01-205-5166
NSN 5835-01-143-9143
NSN 5998-01-496-2057
NSN 6620-00-526-8996
NSN 5855-01-406-7237
NSN 5855-01-511-8946