FF-W-100C, FEDERAL SPECIFICATION: WASHER, LOCK (TOOTH) (29 JAN 1969) [NO S/S DOCUMENT]
FF-W-100C, FEDERAL SPECIFICATION: WASHER, LOCK (TOOTH) (29 JAN 1969) [NO S/S DOCUMENT]., This specification covers tooth lockwashers use in assemblies with bolts, studs and machine screws (see 6.1).