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APPENDIX I GLOSSARY - 14218_321
APPENDIX I GLOSSARY - 14218_323

Aircrew Survival Equipmentman 2 - Aviation theories and other practices
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line slide disconnect pin in position prior to operation. TAB, END—An oval metal fitting secured to each flap of seat-type, Martin-Baker and chest-type parachute containers. The end tabs fit over the cones and secure the end flaps in a closed position until the locking pins are pulled. TACK (HAND TACK)—To attach tempo- rarily prior to final sewing and to tie temporarily as an aid in positioning. Also, to permanently secure portions of a parachute together; for example, the attachment of a seat cushion to a parachute container assembly. TACK, BUTTERFLY—The type of tacking used in securing the riser assembly to the NC-3 container. See also TACK. TAPE—A narrow woven ribbon of cotton, linen, nylon, or other material. TAPE, FILAMENT—An adhesive tape with fiber cords in the backing. The cords are usually fiber glass, nylon, linen, or other high—strength material. This tape has high tensile strength along the lengthwise direction. TAPE, HOOK—Strip of nylon tape with small nylon hooks on one side. Hook tape is used with pile tape as a fastener. TAPE, PILE—A strip of nylon tape with small nylon loops on one side. Pile tape is used with hook tape as a fastener. TAPE, SURGICAL—A white linen or cotton tape with adhesive on one side. Commonly called adhesive tape. TEAR STRENGTH—The average force, expressed pounds, required to continue a tear either across the filling or warp of cloth. TEMPLATE—A pattern or gauge commonly in the form of a thin plate of cardboard, wood, or metal. It is used as a guide in the layout or cutting of flat work. TENSILE STRENGTH—The greatest stress cloth can withstand along its length without rupturing, expressed as a number of pounds per square inch (of cross section). TERMINAL END FITTING—The end of the automatic parachute ripcord release arming cable that connects to the ejection seat, lap belt, or other designated point. See also CABLE, ARMING, and AUTOMATIC PARACHUTE RIPCORD RELEASE. THIN SPOT (Suspension Line)—A condition whereby the diameter of the suspension line as seen visually is less than other portions of the suspension line. This condition is normally caused by broken inner cord yarn(s) or an improper overlap. THREAD, SEPARATION—A bunching of threads in cloth, leaving a hole or separation in the cloth. A thread separation can run either with the warp or filling of a cloth. TIE, RIPCORD PIN RETAINING—A low- strength thread or cord used specifically to prevent ripcord pins from creeping and possibly causing inadvertent opening. TIGHT STITCHES—Thread under excess tension, causing one sewing thread to lie on the surface of the cloth or causing puckering of the cloth . TOOL, PACK CLOSING—An aid to clos- ing the LW-3B parachute assembly container. It is used to align the grommets over locking cones. TORSO HARNESS SUIT—A combination of webbing and a torso suit that includes the parachute harness, lap belt, shoulder belt, and life vest attachment fittings. See also HARNESS. TORQUE—A force or combination of forces that tend to produce a rotating or twisting motion. Torque is often expressed in inch-pounds or foot-pounds. A torque wrench is used to apply a measured torque. TOTAL LIFE—Total life is the period of time commencing with the date of manufacture that an item may be retained in a packaged, out-of- service condition and remain acceptable for service. TUBE, GUIDE—A narrow tube used to guide the vane-type pilot parachute grommet over its locking cone. AI-16







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