Used on 41n helicopter, ch-53a/d/e. 2a all ends thread class 12 all ends thread quantity per inch flared w/ center wrenching facility un all ends thread series
3a all ends thread class color yellow; pressed in.fit restrictor 0.220 in, dia, 0.250 in. lg; chamfer on one end 45 deg anodize surface treated flared w/ center wrenching facility unjf all ends thread series
3a all ends thread class 12 all ends thread quantity per inch passivate surface treated flared w/ center wrenching facility unjf all ends thread series
3a all ends thread class thd 12-24 nc 3, 0.250 in. deep on one end anodize inside surface treated flared w/ center wrenching facility unf all ends thread series
3a all ends thread class color yellow; pressed in fit restrictor 0.220 in. dia, 0.250 in. lg; chamfer on one end 45 deg phosphate surface treated flared w/ center wrenching facility unjf all ends thread series