Paratrooper Knife 5110-00-526-8740 Knife, Rescue Media

NSN5110-00-526-8740 originally issued to paratroopers and Jumpmaster in 1965 it later became popular with the aviation community of the U.S. Airforce, Marines, Navy and Coast Guard, aircrews will tape the primary blade closed and leave the shroud cutter-non-puncture cutting hook in the open position, should they need to do a water landing/crash the non-puncture hook won't accidentally puncture the Life raft yet still be used to cut the tether attaching the raft to the aircraft National Stock Number NSN 5110-00-526-8740 made in USA