Wikipedia

FM12 NBC Respirator

The FM12 CBRN Respirator is a military gas mask produced by Avon Rubber.[1]

FM12 CBRN Respirator
Danish Issue M/93 with corrective monocles
TypeGas mask
Place of originUnited Kingdom
Service history
In service1997–present
Used bySee Users
Production history
ManufacturerAvon
VariantsSee Variants


History

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The FM12 was introduced in 2000 as an intended replacement for the standard issue S10 NBC Respirator[2] in service from the 1980s. However, the FM12 was never widely adopted by the military as it was deemed too similar to the S10 to warrant total replacement of all existing S10s.

Characteristics

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Two filter canisters are issued for the FM12, as with the S10; a light pressed metal type for riot control situations or training (marked with a painted red stripe or red tape), and a heavier plastic-encased type for protection against CBRN agents. The latter have a maximum shelf-life of 10 years, and the mask itself (the facepiece) of 20 years. The mask was designed around the S10, but has several design differences. The characteristics it shares in common with the S10 are the fail-safe drinking device, two speech transmitters (one primary integrated in the exhale valve at the front, another secondary at the side port for telephone communications), and the ability to accept corrective lenses on the inside of the eyepiece.

However, the voice emitter and exhale valve cover is smaller than that of the S10, as are the lenses. The FM12 has an overall lower profile than the S10 and sits closer to the wearer's face. The FM12's drinking tube is also longer than that of the S10, making drinking easier while wearing the mask. The FM12 also has an inner mask to prevent fogging of the lenses. The 'ridge' present around the edge of the S10 is absent from the FM12.

The main noticeable difference between the FM12 and the S10 is the ability of some FM12's to mount two filters to the mask simultaneously, as was done by the SBS in the Gulf War. When only one filter is fitted to a mask that has the ability to accept two, a blanking plug must be used.

The harness of the FM12 consists of elastic strips, which connect to a mesh fabric piece on the back of the wearer's head. This change from the rubber straps of the S10 was designed to enable the mask to be worn for longer periods of time without discomfort, and also to hold the mask tighter to the face for a better seal.

Variants

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Irish military EOD specialists checking the fit of their FM12 gas masks, showing the 6-point mesh harnesses

CT12

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Respirator used for counter-terrorism operations. The difference between the FM12 and the CT12 is that the CT12 has had the drinking straw removed and sealed at the factory. This is to reduce the overall weight of the respirator, as the straw is not needed in a counter-terrorist situation. This variant is considerably rarer than the FM12.

CT12-IM

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This variant is very similar to the CT12, except it has a built in microphone in place of the drinking port for operations where communication is necessary. This variant is also rarer than the FM12 and the CT12 variant, with not much information about it being disclosed on the internet.

Users

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CT12 &Fm12 are used by SAS forces [3]

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References

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  1. ^ https://www.ncjrs.gov/pdffiles1/nij/191519.pdf [bare URL PDF]
  2. ^ "Avon FM12". Archived from the original on 2012-09-04. Retrieved 2012-11-11.
  3. ^ a b c d e "Respirators". Archived from the original on 2017-09-25. Retrieved 2017-09-25.
  4. ^ a b c "Archived copy" (PDF). Archived from the original (PDF) on 2019-06-16. Retrieved 2020-04-21.{{cite web}}: CS1 maint: archived copy as title (link)
 
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