ARMY TM 10-1670-276-23&P AIR FORCE T.O.  13C5-29-2 NAVY NAVAIR 13-1-29 2-17.  Sewing Procedures (cont). Table 2-3.  Stitching and Restitching Specifications. Recommended sewing machine Stitches Thread Component (code symbol) per Inch size Canopy Gore Section LD 7 to 11 E DN Darn E/A Skirt reinforcement tape LD 7 to 11 E (lower lateral band) Radial tape LD 7 to 11 E Suspension line ZZ 7to 11 E Bridle loop HD 5 to 8 6 Suspension Line LD 7 to 11 E attaching loop ZZ 7 to 11 E Vent line ZZ 7 to 11 E Pocket band ZZ 7 to 11 E Riser HD 5 to 8 3 Buffer HD 5 to 8 3 Riser webbing HD 5 to 8 3 Spreader HD 5 to 8 3 Suspension line attaching loop MD 7 to 11 E Vent reinforcement tape LD 7 to 11 E (upper lateral band) Vertical tape LD 7to 11 E Deployment bag Attaching loop LD 7 to 11 E Main strap LD 7to 11 E Static line stow loop LD 7 to 11 E Stow loop retaining strap LD 7 to 11 E Protector flap lie loop LD 7 to 11 E Side main strap tie loop LD 7 to 11 E Panels and flaps LD 7 to 11 E Static Line ZZ 7 to 11 FF (2)   Other parachute items.   Stitching and restitching on other parachute Items constructed from cloth, canvas, and webbing should be accomplished with thread which matches the color of the original stitching, when possible.  All straight stitching should be locked by backstitching at least 1/2 Inch.  Restitching should be locked by overstitching each end of the stitch formation by 1/2 Inch.  Zig-zag stitching does not require locking, however, zig-zag restitching should extend at least  1/4  Inch  into  undamaged  stitching  at  each  end,  when  possible.    Restitching  should  be  made  directly  over  the original stitching.  following the original stitch pattern as closely as possible. 2-52