Specification: Strength: Identification: Common Use: Comment: PIA-W-4088 7,000 lb Double plain weave, 1 23 /32" width,  3 /32 thick, with black tracer thread at  each selvage edge  Modern sport harnesses, military  harnesses Designed to be specifically  compatible with MS22040,  MS70114, and MS22019 Specification: Strength: Identification: Common Use: Comment: PIA-W-4088 4,000 lb 2/2 HB twill, 1 23 /32" width, black  centerline Main risers, harness construction One of the most common  webbings in use today. Specification: Strength: Identification: Common Use: Comment: PIA-W-4088 1,200 lb 2/2 HB twill, 1 23 /32" width, red lines  at each selvage Harness buffers, confluence wraps N/A Specification: Strength: Identification: Common Use: Comment: PIA-W-4088 2,500 lb 2/2 HB twill, 1" width, no color  code Sport main risers, chest straps,  carry handles N/A Figure 3-23.  Type-13 Webbing. Figure 3-21.  Type-8 Webbing. Figure 3-24.  Type-17 Webbing. Figure 3-22.  Type-12 Webbing. Almost all cords, lines, and threads are constructed of Nylon,  again because of its inherent strength and relative elasticity.  [Figures 3-33  through  3-43] The most common uses of cord and lines are the suspension  lines of the canopy. There are many different types in use.  Today, the most common are nylon, Dacron, and Spectra$^{®}$.  The rigger needs to know the different types and their uses.  Each may have special techniques to work with them.  Cords, Lines, and Threads  3-8