An electronic subassembly designed to be plugged into one or more basic pieces of test equipment to extend the capabilities of the basic instrument. the basic instrument cannot function without one or more plug-in units (as required) in position.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 5996-01-143-2583
NSN 5998-00-764-2940
NSN 5925-01-237-2501
NSN 6685-00-295-6365
NSN 6220-01-458-7068
NSN 5985-01-632-0963
NSN 5985-01-502-9303
NSN 5960-01-453-6170
NSN 4140-00-523-1826
NSN 2925-01-645-2948
NSN 5905-00-523-2783
NSN 7035-00-167-7411