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U.S. Army M40A1 Field Protective Mask
The U.S. Army M40 series was developed to replace the M17A2 for the Army and Marines. The M40A1 shown here is equipped with lens outserts and C2 filter. This example was made by ILC Dover in 1992.
Similar masks in my collection: U.S. Army M40A2, U.S. Army M42A1, U.S. Air Force MCU-2/P
Rubber stamp
Size stamp on forehead "US M"
Rubber stamps
Manufacturer and date stamps on cheek "92 ILD 2J02" "M01C02"
Rubber stamp
Manufacturer and lot stamp on head strap "ILD92H014-458"
Rubber stamps
Manufacturer and date stamps on exhale valve cover "91 ILD 0428" "M01 C02"
Rubber stamps
Stamps on exhale valve "M1 C18" "ILD 91810615"
Rubber stamp
Size stamp on nose cup "M"
Rubber stamps
Manufacturer and date stamps on nose cup "92 ILD 2J03" "M01C01"
Rubber stamps
Stamps on intake valve "C5" "M2"
Rubber stamps
Stamps on intake valve "C10" "M2"
M40/M42 Series Mask
M40/M42 Series Mask data sheet
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