Used on buf engine, aircraft, f100-pw-200 (f-16a/b/c/d). 2a 2nd end thread class 12 all ends thread quantity per inch passivate surface treated un all ends thread series
Used on truck cargo 1-1/4 ton, chrylser model m880. 2b all ends thread class one end has square hole, 3/8 in. w across flat, 3/4 in. lg; nipple has round wrenching feature 1.203 in. od by 0.125 in. w plain unf all ends thread series
3a 2nd end thread class 12 1st end thread quantity per inch 1st end bulkhead, 1.062-12 in. unj, cl 3a anodize surface treated unj 1st end thread series
Used on 05f aircraft, stratolifter c-135. 3b internal thread class right-hand internal 12 internal thread quantity per inch passivate surface treated cap, tube, flareless unj internal thread series
3a 2nd end thread class 2nd end bulkhead thread 0.375 in. nom size, class 3a, unjf, precious metal gold, 0.0008 pound per elbow gold brazing ring on first end passivate surface treated unjf 2nd end thread series
Used on 47n helicopter, cobra/attack, ah-1j. 3b 1st end thread class adapter anodized gold; w/one hole, 0.090 in.id, in hex flat anodize surface treated unf 1st end thread series
