Used on w/s:forrestal class cv; guardrail (systems 1-4); kidd class ddg; aircraft, stratolifter c-135; tarawa class lha; nimitz class cvn; lav, anti-tank; lpd-17 class amphibious transport dock; aircraft, tomcat f-14; wasp class lhd. 2b thread class right-hand 32 thread quantity per inch passivate surface treated