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 5925-01-126-8188
NSN 7035-01-256-9598
NSN 5910-00-881-5016
NSN 6320-01-054-3046
NSN 6645-01-400-2119
NSN 6650-01-099-1422
NSN 5965-00-161-6429
NSN 6105-00-457-8354
NSN 5996-01-412-4393
NSN 6135-01-375-6724
NSN 5910-00-243-1448
NSN 6110-01-500-0354