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DIRECT SUPPORT MAINTENANCE 100-FOOT DIAMETER CARGO PARACHUTE SEWING PROCEDURES
DIRECT SUPPORT MAINTENANCE 100-FOOT DIAMETER CARGO PARACHUTE SEWING PROCEDURES CONT. - TM-10-1670-280-23P_281

TM-10-1670-280-23P Parachute Cargo Type: 100-Foot Diameter Model G-11B G-11C and G-11D NSN 1670-01-016-7841 Manual
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TM 10-1670-280-23&P                                                       0040 00 0040 00-2 STITCHING AND RESTITCHING Perform stitching and restitching as follows, referring to Table 1 and Table 2: 1.    Parachute canopy assemblies.  The stitching and restitching made on parachute canopies should be accomplished with thread that is contrasting in color to the fabric being restitched.  If contrasting color thread is not available, thread of matching color may be used, providing all other specifications are met.   Straight stitching and restitching on parachute canopy assemblies should be locked by at least 2-inches at each end of a stitch row, when possible.  Zig-zag stitching does not require locking; however, zig-zag restitching should extend at least ¼-inch into undamaged stitching at each end, when possible.  When restitching parachute canopy assemblies, stitch directly over the original stitching and follow the original stitch pattern as closely as possible.   Table 1.  Sewing Machine Code Symbols CODE SYMBOL SEWING MACHINE LD SEWING MACHINE, INDUSTRIAL:  General sewing; 301 stitch; light-duty; NSN 3530-01-177-8590. MD ZZ SEWING MACHINE, INDUSTRIAL:  Zig-zag; 308 stitch; medium-duty; NSN 3530-01-181-1421. LD ZZ SEWING MACHINE, INDUSTRIAL:  Zig-zag; 308 stitch; light-duty; NSN 3530-01-181-1420. HD SEWING MACHINE, INDUSTRIAL:  General sewing; 301 stitch; heavy-duty; NSN 3530-01-177-8588. MD SEWING MACHINE, INDUSTRIAL:  General sewing; 301 stitch; medium-duty; NSN 3530-01-177-8591. DN SEWING MACHINE, INDUSTRIAL:  Darning; lock stitch; NSN 3530-01-177-8589. LHD SEWING MACHINE, INDUSTRIAL:  301 stitch; light, heavy-duty; NSN 3530-01-186-3079. ND SEWING MACHINE, INDUSTRIAL:  301 stitch; double needle; NSN 3530-01-182-2873. Table 2.  Stitching and Restitching Specifications COMPONENT RECOMMENDED   SEWING MACHINE (CODE SYMBOL) STITCHES PER INCH THREAD SIZE The 100-Foot-Diameter Cargo Parachute Gore Section LD 7 to 11 E Canopy Line ZZ 7 to 11 E Radial Line ZZ 7 to 11 E Suspension line MD 5 to 8 3 Radial Line Reinforcement Tape LD 7 to 11 E V-Tab LD ZZ 7 to 11 7 to 11 E E







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