Titan™ paracord is made from 100% Nylon, measures 5/32′ in diameter, and contains 21 individual strands, braided into seven seriously-strong 3-strand yarns. Its official military designation is MIL-C-5040-H Type III Paracord, and has a total rated tensile strength of greater than 550 lbs. This makes paracord the ultimate utility cord, as it is light and durable, quick drying, UV resistant, and resists rot and mildew.
Originally designed as the suspension lines or parachute cord for U.S. parachutes during World War II, soldiers found this cord useful for many other tasks including general utility rope, fishing, sewing, and so much more. Today, virtually all soldiers and serious adventurers have access to the cord. 550 parachute cord is so versatile and reliable, that it was unofficially carried into space in 1997 and used by U.S astronauts to help repair the Hubble Telescope. Since then it has been incorporated into the inner construction of spacesuits and is regularly stocked as a general-purpose utility cord in the International Space Station.
Typical uses for paracord include attaching equipment to harnesses, as dummy cords to avoid losing small or important items, tying rucksacks or backpacks to vehicle racks, securing camouflage nets or tarps to trees or vehicles, and so forth. When threaded with beads, paracord may be used as a pace counter to estimate ground covered by foot.
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