Nomex military uniforms are made from Du Pont’s Type 455 and Type 462 Nomex III and Nomex IIIA fibers, respectively. Nomex III is a 95/5% blend of Aramid and Kevlar fibers. Nomex IIIA is a 93/5/2% blend of Aramid, Kevlar, and P-140 static dissipative fibers. The P-140 fiber has a conductive carbon black core covered in a protective polyamide sheath. The characteristics of Nomex III and Nomex IIIA cloths are shown in Table 1 Characteristics of Nomex and Cotton Fabrics in Appendix A. The primary source for Department of Defense (DoD) uniforms is the Defense Logistics Agency (DLA).
Nomex IIIA navy blue flight suit
CWU-27/P Flight Suit：The CWU-27/P Summer-weight (4.5 oz.) flight coverall is made from Nomex IIIA cloth. It is a one piece, unlined garment with a zipper front closure and side pass-throughs. It has Velcro adjusters for the waist sleeves, and legs. It includes two welt-style breast pockets, one combination cigarette pack and pencil compartment on the upper front left sleeve, two thigh pockets, a knife pocket on the left thigh, and a pocket on the right lower leg. This uniform item is available in either Tan 380 or Sage Green.
CWU-64/P Flight Suit：The CWU-64/P (MIL-C-87230A) winter weight flight suit is made similarly, but of 7 oz. cloth. It also has a hood concealed in its collar. Commercial versions of both flight suits are available from a multitude of vendors in many color choices.
Nomex is the trademark name for the E. I. Du Pont de Nemours and Company (Du Pont) family of aromatic polyamide (Aramid) fibers. Nomex was developed by Du Pont in the early 1960's and commercially produced in 1967 with the cooperation of the DoD. Worldwide, more 1 commercial and military FR garments are made of Nomex than all other fiber types combined. These fibers have a flame resistance due to their molecular structure, which allows them to withstand temperatures up to 400°C (752°F). Instead of melting, they form a protective char when exposed to flames. Nomex also quickly self-extinguishes when removed from flame sources. Afterward, it retains much of its original strength and abrasion resistance without excessive shrinkage, which decreases the likelihood that it will break open. Nomex garments made of equivalent weight cloths have much more wear endurance than garments made of natural fiber or natural fiber blends.
Protecting the best demands outstanding protection. And DuPont™ Nomex® has been helping protect aircrews for over 40 years. The first personal protection use of Nomex® was for Navy flyers. Today, Flyers Coveralls made with Nomex® are the choice of aircrews in all branches of the service and are worn as part of an ensemble that includes anti-g suits and flyers jackets (36/P and 45/P).
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