1670-01-691-2778 (607544-1)
1670-01-691-2778 is equivalent to manufacture part number 607544-1. It is a parachutis oxygen mask facepiece and is classified under Federal Supply Class 1670 (1670 - Parachutes; Aerial Pickup, Delivery, Recovery Systems; and Cargo Tie Down Equipment), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 1670 - Parachutes; Aerial Pickup, Delivery, Recovery Systems; and Cargo Tie Down Equipment and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.