Used on grumman a10 aircraft. 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 3 holes 0.063 in. dia drilled in hex anodize inside surface treated flared w/ center wrenching facility unjf all ends thread series
3a all ends thread class hex drilled 2 places for lockwire hole 0.060 in. min, 0.080 in. max dia passivate surface treated flared w/ center wrenching facility unf all ends thread series
Used on aircraft application. 3a all ends thread class 12 all ends thread quantity per inch anodize inside surface treated flared unj all ends thread series
3a all ends thread class groove corners of hex center porm 1/32, 0.030 in.deep by 90.0 deg angle passivate surface treated flared unjf all ends thread series
Used on chinook helicopter ch-47. 3a all ends thread class used on grumman aircraft, model A10 cadmium surface treated flareless (tube) unjf all ends thread series
2a 1st end thread class 12 1st end thread quantity per inch passivate outside surface treated flared w/ center wrenching facility un 1st end thread series
2a all ends thread class 14 all ends thread quantity per inch supports grumman A10a aircraft anodize or aluminum surface treated center wrenching facility w/ threaded relief uns all ends thread series
