2a thread class right-hand 2.125" overall length 1.344" overall width 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 5935-01-177-9556, p/n M85049/52-1-18w for the straight style, or nsn 5935-01-174-3671, p/n M85049/51-1-18w for the right angle style; 16-22 wire size pin contacts in lieu of 16-16 unef thread series