0.388" hole diameter 0.574" outside diameter 0.064" material thickness 2 raised projections on washer face, 0.050 in. high by 0.102 in. wide, equally spaced cadmium surface treated internal prebent key
Used on w/s:support equipment, b-1 aircraft; communications systems, an/wrr-7; teletype, model 28; los angeles class ssn (688); virginia class submarine, ssn-774; engine, aircraft, f101-ge-102 (b-1); submarine communications and antenna systems; sturgeon class ssn (637); seawolf class ssn. 2b thread class right-hand 48 thread quantity per inch passivate surface treated
