Description
New L-shaped internal drinking tube for the U.S. Military M40 field protective mask or M45 gas mask. Internal Drink Tube is a one piece molded silicone rubber tube approximately 2.2 inches long with .28 outside diameter. NSN 4240-01-260-8711 Part # 5-1-1085 Manufactured by Edgewood Chemical Biological Center Fits M40 series gas masks, M40A1, M42, M42A1, plus the 3M FR-M40 masks including FR-M40-10, FR-M40-20, & FR-M40-30.