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.Organic 2160 denier (2400 d tex) yarn with 390 ksi (2689 MPa) or 19.0 g/d minimum tensile strength and 16.5 Msi (114 GPa) or 750 g/d minimum tensile modulus for use in filament winding requiring high tensile strength and high modulus of elasticity in tension.