Gold-Plated F to F Coupler (278-0304) Specifications Faxback Doc. # 33636 Type:..............................................................F-81BGP Composition of Body, Washer, and Nut:..............Brass with Gold Plating Threads:.......................................................3/8--32 UNF Specifications are typical; individual units might vary. Specifications are subject to change without notice. (IR-07/05/96)