Packing Cup (SPECIAL) for 3-1/2, 7.69#, 3.06 ID HQ Drill P

Packing Cup (SPECIAL) for 3-1/2, 7.69#, 3.06 ID HQ Drill Pipewith 2.900 Minor OD, 3.100 Major OD (from 3.020 Standard Major OD) and 1-11/32 Cup ID. (0.080 to be added to major lip OD ONLY).f/ Logan Spear Packoff Assembly 400-038-005.