3a all ends thread class 4.131" overall length 6 bolt hole quantity 12 all ends thread quantity per inch anodize body surface treated male coupling half un all ends thread series
Used on b-1b aircraft. 3a 3rd end bulkhead thread class 12 3rd end bulkhead thread quantity per inch passivate surface treated unj 3rd end bulkhead thread series
3a all ends thread class 3.170" overall length 12 all ends thread quantity per inch anodize body surface treated male coupling half un all ends thread series