Used on 1450-01-106-3089 carrier,guided missile equipment. 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 5935-01-189-3225, p/n M85049/52-1-28w for the straight styel, or nsn 5935-01-174-3672, p/n M85049/51-1-28w for the right angle sytle uns thread series