3a 1st end bulkhead thread class 12 1st end bulkhead thread quantity per inch passivate surface treated flared w/ bulkhead thread unj 1st end bulkhead thread series
Used on 02n strategic weapon systems(poseidon and trident). 2a all ends thread class passivate surface treated flared w/ center wrenching facility unf all ends thread series
3a 1st end bulkhead thread class 12 1st end bulkhead thread quantity per inch aircraft application anodize surface treated flared w/ bulkhead thread unj 1st end bulkhead thread series
3a 1st end bulkhead thread class 12 1st end bulkhead thread quantity per inch passivate inside surface treated flared w/ bulkhead thread unj 1st end bulkhead thread series
3a all ends thread class 12 all ends thread quantity per inch passivate inside surface treated flared w/ center wrenching facility un all ends thread series
3a 1st end bulkhead thread class 12 1st end bulkhead thread quantity per inch anodize inside surface treated flared w/ bulkhead thread unj 1st end bulkhead thread series
2a 1st end bulkhead thread class 12 1st end bulkhead thread quantity per inch phosphate surface treated flaremess w/ bulkhead threads un all ends thread series
2a 1st end bulkhead thread class 12 1st end bulkhead thread quantity per inch phosphate surface treated flaremess w/ bulkhead threads un all ends thread series
3a all ends thread class 12 all ends thread quantity per inch nickel inside surface treated 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; chamfered on one end 45 deg flareless (tube) unjf all ends thread series