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 5895-01-406-3729
NSN 5930-01-561-7330
NSN 2925-01-411-4666
NSN 6240-00-102-4003
NSN 6685-01-423-1464
NSN 5990-00-013-6862
NSN 5975-00-497-5431
NSN 6650-01-145-5173
NSN 6685-01-431-4419
NSN 2925-01-464-3093
NSN 5855-01-128-1762
NSN 2925-00-026-0005