![]() Lowest strap, at the cheek, is attached to a tab at a 45 angle, at the edge of the mask. This table lists the components and construction details across the M3 and M4 series variants. ![]() It can be difficult to distinguish the M3 from the M4 series masks due to the identical facepiece. Identifying the M3 and M4 Series Lightweight Service Gas Masks Both the M3 and M4 series Lightweight Service Gas Masks use the M2A2 facepiece, but have a shorter hose and a different canister than the M2A2. The M4 series masks were made of natural rubber in olive drab color.Ī modification to the outlet valve resulted in the M4A1 Lightweight Mask in 1945. ![]() It had many features in common with the M3 series, including the M2A2 facepiece, internal nosecup, outlet valve, shorter hose and lighter M10A1 canister. M4 Lightweight Service Gas Mask In 1942, the M4 Lightweight Mask was standardized to add additional improvements. Over 13 million of the M3 series masks were produced during World War II. In 1944, the M3A1 mask was released featuring an improved outlet valve. ![]() The Neoprene was found to become unusable in cold weather due to hardening of the mask under those conditions while the natural rubber remained flexible even in cold weather. The corrugated hose between the facepiece and the canister was shortened to save materials.įrom both grey rubber and black Neoprene (synthetic rubber). Retained the same level of protection to the wearer as the M2 series mask. It used the molded rubber facepiece from the M2A2 mask with the addition of an interior anti-fogging nosecup, and an improved, lighter M10A1 filter canister. ![]() In 1942, the M3 Lightweight Service Gas Mask was standardized, weighing only 3.5 pounds vs. Their masks appear to be the black Neoprene version of the M3 Lightweight Service Gas Mask. Army Gas Mask M50 Pmcs Powerpoint By preztonhozi1982 Follow | PublicĪrmy Gas Mask M50 Pmcs Powerpoint Plus Accessory Itemsįind More Information on the Internet There are many fine websites that have additional information on this. ![]()
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