Used on 3ch-60sx air frame. 31.0mm overall length series iii rfi grounding plug shell size 17, ms shell code e, mating thrd 1.1875-0.1p-0.3l, accessory thrd M25X1-6g, 28 teeth, emi grounding spring
Used on mh-60s helo designation. 31.0mm overall length w/g flir power. olive-drab cadmium plate, composite, (conductive) neg 65 deg c to pos 175 deg c.