Tm 3-4240-542-13&p M50 And M51 Jsgpm May 2008 …
3. If internal drink tube is too long, the length may be cut to fit the warfighter as follows: Cut Locations on Internal Drink Tube a. Doff M50 (WP 0005 00-16) or M51 (WP 0005 00-24) mask. b. Remove internal drink tube by gently pulling it from shut-0ff valve spindle …