This specification covers one type of organic fiber in the form of yarn. The product shall be formed as a multiplicity of filaments drawn together and gathered into an approximately parallel arrangement.
SAE AMS3901/14A-1998 history
1998SAE AMS3901/14A-1998 Yarn, Organic Fiber (Para-Aramid), High Modulus OY 390 (2689)/22.3 Tensile Strength, 16.5 (114)/855 Tensile Modulus 2840 (3160 d tex) Denier, 0.6% Finish