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 5998-00-008-4073
NSN 5910-00-063-8976
NSN 7035-00-235-3529
NSN 5998-01-085-4713
NSN 6130-01-360-9888
NSN 6220-01-597-0149
NSN 7035-00-225-6499
NSN 5950-00-346-8026
NSN 2925-01-089-6269
NSN 4140-01-235-7082
NSN 5990-00-884-1743
NSN 6135-01-633-8502