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MIL-DTL-24643 Low Smoke -
Shipboard Cables

Due to concerns about flammability, smoke, and toxicity, the U.S. Navy introduced the
MIL-DTL-24643 cable specification. Generally, this document provides low smoke, flame resistant cables that are approximately equal in size, weight and electrical characteristics to the older MIL-C-915 constructions. The Navy has mandated that these (or MIL-DTL-24640) cables be used on all new constructions and Navy ship modernization projects.

MIL-DTL-24643 covers many types of cable constructions, and utilizes insulation systems of irradiation cross-linked polyolefin, silicone, or EPR depending on the slant sheet. The outer jacket

Product Description Spec Slant Sheets   Power distribution & lighting with circuit integrity: These cables are manufactured with Silicone insulation.These constructions are filled to eliminate the potential of water traveling through the interstices. 15, 16, 17, 18, 20& 26 Thermocouples with circuit integrity: These cables are manufactured with Silicone insulation. These constructions are filled to eliminate the potential of water traveling through the interstices. The overall jacket is a modified Silicone, which is low smoke. 21 & 24 Communication with circuit integrity: These cables are manufactured with Silicone insulation. These constructions are filled to eliminate the potential of water traveling through the interstices. 23 Computer networking: These cables are manufactured with polyolefin insulation. They are available as shielded or unshielded, with or without water-blocking. 59, 60 & 61 Electronic, communication and instrumentation - Coaxial Cables: These cables are manufactured with irradiation cross-linked polyolefin insulation. 28, 30, 39 & 40 Electronic, communication and instrumentation - Twisted Pair Cables: These cables are manufactured with irradiation cross-linked polyolefin insulation. 27, 45, 46, 57 & 58 Electronic, communication and instrumentation - Shielded Pairs Cables: These cables are manufactured with irradiation cross-linked polyolefin insulation. 31, 32, 33 & 56 Electronic, communication and instrumentation - Misc. Cables: These cables are manufactured with irradiation cross-linked polyolefin insulation. 35, 36, 37, 38, 41, 42, 47 & 53