Used on generator set, 30kw, 60 hz, skid mounted (3id) (mep-007a). 2b 1st end thread class 20 1st end thread quantity per inch weapon system essential nptf 2nd end thread series
Used on spruance class dd (963). 2b 1st end thread class 12 1st end thread quantity per inch weapon system essential cadmium surface treated un 1st end thread series
Used on guided missile launching system, mk26; gun, 5-in./54cal, mk-42 & 45; truck, fl; ticonderoga class cg; shipboard material handling equipment; arleigh burke class ddg: oliver perry class ffg; kidd class ddg; spruance class dd. 2b 1st end thread class 12 1st end thread quantity per inch weapon system essential cadmium surface treated un 1st end thread series
3a thread class left-hand 0.281" err default 0.938" overall length outer periphery of hub grooved, 3/4 in. od by 3/16 in. w, located 3/32 in. from groove edge to hub end hexagon, external thread, internal shoul der
