Both ends have 2-7/8 i.F.A.P.I. Box thread, 4 threads per inch, right-hand, 2-inch taper per foot, thread form a.P.I. V-0.038r
A straight metal fitting having internal threaded or tapered sockets of the same type and size on both ends, and a center shouldering for the seating of mating pieces. Used to join a drill rod shank to a drill rod section or two drill rod sections.
Classification: Parts of boring or sinking machinery of subheading 8430.41 or 8430.49,nesoi
NSN 5960-01-154-3719
NSN 6130-01-384-3977
NSN 5895-00-805-9179
NSN 5895-01-325-4960
NSN 6685-01-495-1007
NSN 5855-00-631-4565
NSN 5950-00-432-0292
NSN 2925-00-288-1394
NSN 5905-00-243-8930
NSN 5960-00-335-3394
NSN 5996-01-033-5018
NSN 5990-00-948-0440