Used on mwhidbey island class lsd,main feed pumps,guided missile system, ram ex43,los angeles class ssn (688), wasp class lhd, scraper (621b),close in weapon system (ciws-phalanx),forrestal class cv,arleigh burkeclass ddg. 1.867" hole diameter 2.415" outside diameter 0.025" material thickness
1.521" hole diameter 2.120" outside diameter 0.010" material thickness has 8 slots equally spaced on periphery 0.015 in. wby 0.188 in. deep anodize surface treated spring tension