Flare Forged Cap Nut Specifications IBC Part No. Sizes (Tube O.D.) Std pkg. (Pcs/Bag) F152-C 1/4" 10 F152-D 5/16" 10 F152-E 3/8" 10 F152-G 1/2" 10 F152-H 5/8" 10 F152-J 3/4" 10 F152-L 7/8" 10