MIL-M-43945B, MILITARY SPECIFICATION: MASK, EXTREME COLD WEATHER (18-JUL-1988)

MIL-M-43945B, MILITARY SPECIFICATION: MASK, EXTREME COLD WEATHER (18-JUL-1988)., This document covers a mask assembly consisting of one face mask, one bib, and two oro-nasal masks. The oro-nasal masks are subject to replacement, and this document may be used to procure replacement quantities.