An item having wrenching facilities on one end and a threaded connection of one type within an externally threaded connection of another type. One connection must have machine threads not designed for any type of tube or tube fitting.
NSN 5915-00-443-1830
NSN 5950-01-400-5942
NSN 5855-01-437-6161
NSN 5960-01-072-2876
NSN 6620-01-068-4498
NSN 6620-01-061-3497
NSN 5910-00-262-8554
NSN 6685-01-167-2966
NSN 6240-01-273-0193
NSN 5985-01-429-0876
NSN 5905-00-048-6195
NSN 6240-01-072-9652