No. 2 nom bolt size
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
Classification: Spring washers and other lock washers, iron or steel
NSN 5910-01-302-5941
NSN 5975-01-515-4844
NSN 6135-01-423-7502
NSN 5960-01-179-9350
NSN 2925-01-208-6638
NSN 6620-01-206-5748
NSN 5895-01-288-0753
NSN 4140-01-450-3823
NSN 5835-01-486-4191
NSN 7035-01-185-6500
NSN 5910-00-493-6048
NSN 6105-01-301-9455