![]() All further production reverted to MCU-2/P masks. Since changes in technology provided external mask communications capabilities that no longer required a connector assembly, it was decided to discontinue the MCU-2A/P. However, field experience and testing in the late 1990s showed that the microphone connector assembly represented a damage failure point on an unacceptable number of MCU-2A/P masks. With the MCU-2A/P Gas Mask, an internal microphone could be placed inside the mask and connected to an external communications system through the connector on the front voice emitter. This style of voice emitter was used on many masks produced by the United States such as the XM-44 and M42. The MCU-2A/P variant featured an internal M101/AIC microphone that connected to a female jack which was used with the U-137/U type male audio plugs. Side View of the MCU2/P gas mask with Scott P100 FilterĪ picture of the XM-29 prototype gas mask. This MSA mask is dated 2002 and the exhale valve cover is dated 2003. US Navy MCU2/P Medium Gas Mask with Scott 40mm P100 Filter and Clear Polycarbonate Protective Outsert. This became the standard-issue until the arrival of the MSA Millennium (post-2002), and eventually, the Avon M50. MSA continued to manufacture the MCU series masks and the MCU-2A/P followed by the 2nd Generation MCU-2/P, which uses a polyurethane visor instead of a silicon visor. These masks are dated anywhere around early to late 80s and are extremely rare which makes them a valued item among gas mask collectors. The limited quantity of MCU-2/P gas masks made by Scott Safety all used a silicone facemask and a clear silicon visor. Scott eventually stopped manufacturing the MCU-2/P while MSA continued to be the sole producer for the US government during the 90s. Initially, the MCU-2/P was made both by MSA and Scott Safety. The Air Force and Navy accepted the design and fielded the first MCU-series masks in the early 1970s while the Army and Marine Corps rejected the design and later fielded the M40 Field Protective Mask. With these requests, the designers at ILC Dover presented the XM-29 and XM-30 prototypes to the United States Armed Forces. Photo courtesy of Gas Masks Collector's Community (Facebook).Ĭompatible with optics. These experimental masks were born in the search for a lighter, more mobile mask that could be used by left and right-handed shooters and have the ability to be The MCU series protective masks were influenced by the XM-29 and XM-30 prototype masks. First fielded in the early 1970s, the mask featured a one-piece silicone lens, drinking tube, voice diaphragm, and a secondary voice diaphragm which could be swapped to the other side depending on the user's shooting preference. The MCU-2/P is the standard protective mask for the United States Air Force and Navy.
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