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  2. M50 Joint Service General Purpose Mask - Wikipedia

    en.wikipedia.org/wiki/Joint_Service_General...

    The M50 series is certified to MIL-SPEC PRF-EA-10003. The mask design features improved performance against chemical and biological agents, toxic industrial chemicals, and nuclear fallout. The dual, low profile filters reduce weight and bulk while reducing breathing resistance by fifty percent over the M40 series mask.

  3. Thread seal tape - Wikipedia

    en.wikipedia.org/wiki/Thread_seal_tape

    PTFE tape used for different sized fittings PTFE tape for natural gas. There are two US standards for determining the quality of any thread seal tape. MIL-T-27730A (an obsolete military specification still commonly used in industry in the US) requires a minimum thickness of 3.5 mils and a minimum PTFE purity of 99%. [3]

  4. Polytetrafluoroethylene - Wikipedia

    en.wikipedia.org/wiki/Polytetrafluoroethylene

    Polytetrafluoroethylene (PTFE) is a synthetic fluoropolymer of tetrafluoroethylene, and has numerous applications because it is chemically inert. [3] The commonly known brand name of PTFE-based composition is Teflon by Chemours, [4] a spin-off from DuPont, which originally discovered the compound in 1938. [4]

  5. PMK gas mask - Wikipedia

    en.wikipedia.org/wiki/PMK_gas_mask

    The PMK gas mask contains a drinking tube, allowing soldiers wearing the mask to rehydrate without removing the mask itself. The system consists of a special canteen cap, which will only allow water to flow through when connected to the tube leading to the mask. This system is compatible with standard type M drinking systems.

  6. M40 field protective mask - Wikipedia

    en.wikipedia.org/wiki/M40_Field_Protective_Mask

    The M40 field protective mask features three voicemitters, one on either the right or left side, and one in front. A voicecom adapter may be placed over the front voicemitter to amplify the user's voice. The mask can be adjusted in the field to accept the filtering canister on either side, so that a weapon may be shouldered.

  7. Category:Gas masks - Wikipedia

    en.wikipedia.org/wiki/Category:Gas_masks

    M2 gas mask; M. M1 gas mask; M61 gas mask; P. Plague doctor costume This page was last edited on 19 August 2019, at 15:54 (UTC). Text is available under the Creative ...

  8. MCU-2/P protective mask - Wikipedia

    en.wikipedia.org/wiki/MCU-2/P_protective_mask

    A United States Navy sailor donning a MCU-2P protective mask during a chemical, biological, and radiological (CBR) drill aboard the USS George H.W. Bush (CVN-77). At Ellsworth Air Force Base. The MCU-2/P is a protective mask used by the United States Air Force and United States Navy, originally designed for the US Army as the XM-30 mask. In ...

  9. List of GOST standards - Wikipedia

    en.wikipedia.org/wiki/List_of_GOST_standards

    General specification, parameters, methods of measurements; GOST R 51555-99: Toys. General safety requirements and methods of tests. Mechanical and physical properties; GOST R 52888-2007: Social services of the population. Social services to children; GOST R 52630-2012: Steel welded vessels and apparatus. General specifications

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