2a thread class right-hand 2.500" overall length 18 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 5935-01-172-8574, p/n M85049/52-1-22w for the straight style, or nsn 5935-01-190-6817, p/n M85049/51-1-22w for the right angle style unef thread series