Comparison : Item # 101N4U-2.75-160, Coned and Threaded Nipples (101,000 psi)
Item # 101N4U-3-160, Coned and Threaded Nipples (101,000 psi)
Item # 101N4U-4-160, Coned and Threaded Nipples (101,000 psi)
Item # 101N4U-6-160, Coned and Threaded Nipples (101,000 psi)
Item # 101N4U-8-160, Coned and Threaded Nipples (101,000 psi)