The absorber housing is made of metal sheet. The filter has a shape similar to a cylinder (it is a short truncated cone with a very small opening angle). Factory of Antigas Equipment) and the year of production. Military Factory of Antigas Equipment or W.S.P. Below is the manufacturer's signature (W.W.S.P. In addition to the can, these markings are located on the face of the mask. The wz.24 gas masks were produced in three sizes: In addition, the mask is equipped with an inelastic strap that allows it to be hung around the neck during a gas emergency. The headband of the mask is made of elastic bands (two frontal, two parietal, occipital and clasp). These rings, in turn, are attached to a rubber frame glued between both layers of the face piece and additionally stitched. Eyeglass lenses are made in two variants - glass or celluloid (hydrocellulose, cellophane). It is impregnated with a mixture of linseed oil and talc. The inner layer is also made of cotton fabric. The outer layer is a cotton fabric gummed on the inside of a protective color. The facial area is anatomically shaped and made of two layers. The set also includes a metal cylindrical can for carrying the mask, spare glasses and glass powder. Gas mask wz.24 consists of a face part with a harness and an absorber. 5 Factories for the production of masks.Like other WW II webbing and bags, the bag color was OD #3 early in the war but changed to the darker OD #7 shade in 1943. The M6 bag has a top closure that is secured with three LTD fasteners. The bag has interior pockets for accessories and is stenciled with "Army Lightweight Service Mask" on the exterior front, near the bottom. The M6 bag was used for both the M3 and M4 masks (and others) to hold the mask itself, the canister, plus accessory items such as anti-dimming sets (to prevent fogging of the eye lenses), covers and protective ointment. The M3 and M4 series of Lightweight Service Gas Masks required a new carrier bag due to the shorter hose length. The C15 outlet valve assembly has a flat, smooth external cover. (4) The M8 outlet valve assembly has an external guard with a concentric circle grill, as used with the M2A2 and M2A3 masks. (3) The rifle skid is a ridge molded into the mask material, intended to prevent entanglement between the mask wearer's rifle and the harness straps. The two straps on each side are held against the mask by a bridge loop. The lowest strap is attached horizontally at the cheek, with the clip pad attachment point forward from the edge of the mask. (2) Harness attaches to the M4 and M4A1 masks with a riveted clip on pads. Lowest strap, at the cheek, is attached to a tab at a 45° angle, at the edge of the mask. (1) Harness attaches to the M3 and M3A1 masks with a riveted clip, flat against the mask and near the edge. This table lists the components and construction details across the M3 and M4 series variants: It can be difficult to distinguish the M3 from the M4 series masks due to the identical facepiece. Identifying the M3 and M4 Series Lightweight Service Gas Masks īoth the M3 and M4 series Lightweight Service Gas Masks use the M2A2 facepiece, but have a shorter hose and a different canister than the M2A2. A modification to the outlet valve resulted in the M4A1 Lightweight Mask in 1945. The M4 series masks were made of natural rubber in olive drab color. It had many features in common with the M3 series, including the M2A2 facepiece, internal nosecup, outlet valve, shorter hose and lighter M10A1 canister. In 1942, the M4 Lightweight Mask was standardized to add additional improvements. The M3 series remained in use until obsoleted in 1949. Over 13 million of the M3 series masks were produced during World War II. In 1944, the M3A1 mask was released featuring an improved outlet valve. The Neoprene was found to become unusable in cold weather due to hardening of the mask under those conditions while the natural rubber remained flexible even in cold weather. The M3 was manufactured from both grey rubber and black Neoprene (synthetic rubber). The corrugated hose between the facepiece and the canister was shortened to save materials. The changes and improvements retained the same level of protection to the wearer as the M2 series mask. It used the molded rubber facepiece from the M2A2 mask with the addition of an interior anti-fogging nosecup, and an improved, lighter M10A1 filter canister. In 1942, the M3 Lightweight Service Gas Mask was standardized, weighing only 3.5 pounds vs. The unsatisfactory weight and bulk of the M2 series masks led to the development of an improved service gas mask. The M4 Lightweight Service Mask was a gas mask used by the United States during World War II.
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