U.S. Army M3 Diaphragm | Gas Mask King

U.S. Army M3 Diaphragm Gas Mask

The U.S. Army M3 Diaphragm Gas Mask was produced in gray (green) rubber, first with black metal parts and later with blue/green metal parts. This example was made by General Tire & Rubber in 1941.

PATENT

Similar masks in my collection: U.S. Army M3A1 Diaphragm, U.S. NORBA Type A-3, U.S. ND Mk IV

Rubber stamp

Manufacturer, date, and lot stamps on chin "LOT C1 6-41 GENERAL E42 R92" "M10" "C5"

Rubber stamps

Manufacturer and date stamps on flutter valve "CRCo 1-41" "76"

Stamp

Stamp on speech diaphragm "N"

Stamp

Stamp on head strap

Filter

Filter stamps top view "US" "LOT-C711-9 CWS J&J A" "51 55"

Filter

Filter bottom view

Filter

Filter side view

Carrier

Bag for "US ARMY SERVICE GAS MASK" "MASK, GAS RECONDITIONED FOR TRAINING"

Carrier

Stamp inside carrier "MIN-P-100-1 L.R.G.C C-891"