2a thread class right-hand 0.208" thread length pan head style 32 thread quantity per inch MS51958-65 screw has been modified in accordance with nationalsecurity agency drawing no. 0N080025-2 passivate surface treated unf thread series
Used on m551 vehicle family. 3a thread class right-hand 0.230" thread length button head style 32 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.151" thread length flat chamfer head style 40 thread quantity per inch navy special project passivate surface treated unc thread series
2a thread class right-hand 0.230" thread length flat countersunk undercut head style 32 thread quantity per inch passivate surface treated unc thread series
3a thread class right-hand 0.563" thread length flat chamfer head style 18 thread quantity per inch thread relief 0.460 in. min 0.465 in. max dia, 0.187 in. wide unf thread series
Used on w/s: helicopter, mh-53e; helicopter, search and rescue, hh-60h; helicopter, carrier based asw, sh-60f; helicopter, seahawk h-60; helicopter, uscg search and rescue, hh-60j; aircraft, viking s-3b; aircraft, hawkeye e-2c; helicopter, ch-53a/d/e; helicopter, lamps mark iii, sh-60b; aircraft, orion p-3. 2a thread class right-hand 0.187" thread length pan head style 40 thread quantity per inch cadmium surface treated unc thread series
3a thread class right-hand 0.170" thread length double chamfer head style 20 thread quantity per inch lettered (s) on head cadmium head surface treated unf thread series
3a thread class right-hand 0.377" thread length button head style 32 thread quantity per inch furnished with 1 silicone o-ring passivate surface treated unf thread series
2a thread class right-hand 0.250" thread length flat chamfer head style 32 thread quantity per inch color red epoxy no. 1985632-1 passivate surface treated unc thread series
3a thread class right-hand 0.250" thread length pan head style 40 thread quantity per inch navy special project cadmium surface treated unc thread series
2a thread class right-hand 0.438" thread length knurled no. 4 head style 20 thread quantity per inch w/cone point passivate surface treated unc thread series
2a thread class right-hand 0.219" thread length hexagon head style 32 thread quantity per inch head fine grit sand blast non-reflective matte passivate surface treated unc thread series
2a thread class right-hand 0.302" thread length hexagon head style 32 thread quantity per inch nylon strip element in threads passivate surface treated unc thread series
