This specification covers one type of organic fiber in the form of roving. The product shall be formed as four ends of 1140 denier yarn (AMS 3901/3) collected into an approximately parallel arrangement without twist.
SAE AMS3901/6C-1998 history
1998SAE AMS3901/6C-1998 Roving, Organic Fiber (Para-Aramid), High Modulus OY 500 (3447)/23.5 Tensile Strength, 17.5 (121)/890 Tensile Modulus 4560 Denier, (5070 d tex), 0.6% Finish