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 4140-01-255-9276
NSN 5915-01-230-3804
NSN 5990-01-116-2181
NSN 5975-00-056-5577
NSN 6645-01-167-0712
NSN 5925-00-194-1010
NSN 5910-00-198-5306
NSN 6105-00-421-9781
NSN 6130-01-286-1079
NSN 5855-00-361-0167
NSN 4140-00-322-2068
NSN 5925-00-544-5980