3a all ends thread class with 0.070 in. dia lockwire holes anodize inside surface treated flared w/ center wrenching facility unf all ends thread series
3a 1st end bulkhead thread class olive drab finish perfed-qq-p-416c type 2 cadmium surface treated flaremess w/ bulkhead threads unjf all ends thread series
Used on aircraft application. 3a 1st end bulkhead thread class 12 1st end bulkhead thread quantity per inch cadmium surface treated flaremess w/ bulkhead threads unj 1st end bulkhead thread series
3a 2nd end thread class 18 2nd end thread quantity per inch anodize inside surface treated flared w/ center wrenching facility uns 1st end thread series
2a all ends thread class on 1st end 1/32 radius undercut to 7/16 in.dia thd relief anodize surface treated long w/ offset wrenching facility unf all ends thread series
3a 2nd end thread class 12 1st end thread quantity per inch cadmium inside surface treated flared w/ center wrenching facility un 1st end thread series
Used on aircraft application;aircraft, galaxy c-5. 3a 1st end bulkhead thread class weapon system essential cadmium surface treated flaremess w/ bulkhead threads unjf all ends thread series
2a all ends thread class 14 all ends thread quantity per inch hex without chamfer on side facing long end inverted flare w/ center wrenching facility uns all ends thread series
Used on aircraft application. 2a 1st end bulkhead thread class 16 1st end bulkhead thread quantity per inch anodize surface treated flared w/ bulkhead thread un 1st end bulkhead thread series
