Used on sturgeon class ssn (637), oliver perry class ffg, nimitz class cvn, virginia class cgn (41), emory s. land class as, tarawa class lha, ticonderoga class cg (47), los angeles class ssn (688).. 3.176" overall length 0.335" overall width 14 polarizing keys part no. 474-11-54-200; 14 polarizing keys part no. 45-6-07-35-003
