2a thread class right-hand 2.031" overall length 20 thread quantity per inch in order to complete the connector assembly, the user must obtain/provide the backshell; standard versions may be ordered as nsn 5935-01-184-7189, p/n M85049/52-1-12w for the straight style, or nsn 5935-01-181-6652, p/n M85049/51-1-12w for the right angle style unef thread series