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 6610-01-078-5270
NSN 6240-00-452-5241
NSN 5965-01-506-5558
NSN 6150-00-133-5742
NSN 6145-01-433-3226
NSN 6130-00-952-0819
NSN 5905-01-640-6947
NSN 5999-00-252-4330
NSN 6645-00-421-5287
NSN 5915-01-068-0995
NSN 6240-01-034-9457
NSN 2925-01-391-9247