The F.B.-M.1 is a Brazilian industrial gas mask produced in the late 50s modeled off the US M3-10A1-6 Lightweight Service Mask.
Overview[]
Not much is known about the Brazilian F.B.-M.1.A2, besides the fact that it was for Military use. The faceblank is almost identical to the US M3. The F.B-M.1.A2 differenciates itself from its American counterpart by having: brass eye crimps, black rubber hose and the "star" exhale valve and instead of the filter being clamped to the hose like the M3, the FB-M1 uses a 40mm filter connection. It uses a khaki M3 style carrier. The earliest stamp I was able to find was from 1954 and the latest stamp was 1971.
Gallery[]
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"BRASIL" AND "1967/68" inscriptions
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"INDÚSTRIA BRASILEIRA" translation: Brazilian Industry
Filter
Triangular leather patch
"F.B.-M.1.A2" inscription
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"BRASIL" inscription
"F.B.-M.1.A2" inscription