Used on aircraft,hercules kc-130. 3a 1st end bulkhead thread class 12 1st end thread quantity per inch anodize surface treated unj 1st end thread series
Used on skid mounted; engine, aircraft t-700 (h-60).. 3a 3rd end thread class 12 1st end bulkhead thread quantity per inch k denotes type 316, corrosion resistant stel passivate surface treated unj 1st end bulkhead thread series
Used on aircraft,hercules kc-130. 3a 1st end bulkhead thread class 12 1st end thread quantity per inch anodize surface treated unj 1st end thread series