This specification covers one type of organic fiber in the form of roving. The product shall be formed as five ends of 1420 denier yarn (AMS 3901/4) collected into an approximately parallel arrangement without twist.
SAE AMS3901/5C-1998 history
1998SAE AMS3901/5C-1998 Roving, Organic Fiber (Para-Aramid), High Modulus OY 450 (3103)/22.5 Tensile Strength, 17.5 (121)/865 Tensile Modulus 7100 Denier, (7900 d tex), 0.6% Finish