Formerly with this name as just a type 2
An item having internal and/or external machine thread(s) (threads other than pipe or hose series), specifically designed to retain, by means or groove(s), shoulder(s), and the like, packing and/or a packing gland within a stuffing box. See also bushing, machine thread; inverted nut, tube coupling; and nut, tube coupling. Excludes packing nut, stuffing tube; and use with electrical cable, and locknut, pipe.
NSN 5910-01-274-5169
NSN 5925-00-222-6199
NSN 2925-00-246-3077
NSN 5965-00-406-8208
NSN 5915-00-206-0086
NSN 5996-01-652-9239
NSN 6685-01-289-4808
NSN 5996-01-566-6600
NSN 6130-00-395-0778
NSN 6645-01-221-9424
NSN 6240-01-623-1385
NSN 5930-00-648-3296