Design
The CG634 is made of Aramid (Kevlar) and has a minimum v50 of 634 m/s (compared to the PASGT's 610 m/s). It mates a modified French design, based on the PASGT, but adapted for comptability with Canadian equipment (head-set, respirator, vision devices, and armoured vest). The suspension system combines a thick foam trauma liner with a rubber and nylon webbing suspension based on the French Mle-78 (Gallet TC-3). The CG634 has a 4 point chinstrap with flip down adjustment pieces.
The CG634 has a somewhat similar shape and is sometimes mistaken for the later United States Army's MICH TC-2000 Combat Helmet. The MICH uses a foam padding system in its ground combat helmet instead of webbing. The only pad system approved for use in combat is manufactured by Team Wendy and supplied by National Industries for the Blind. These pads may also be used with the CG634.
When necessary, a night vision goggle mount is issued. The mount consists of a green metal bracket that hooks over the front of the helmet and the mount which is screwed into it. There is a strap that loops through the mount and connects to a large ring which is usually on the top of the helmet and two more straps secure the mount to the back of the helmet. The mount is compatible with AN/PVS-7 and AN/PVS-14 night vision systems.
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