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 5910-00-185-9590
NSN 5835-01-454-2674
NSN 6650-00-134-5130
NSN 5925-00-891-2391
NSN 6105-00-778-2377
NSN 5975-01-104-4863
NSN 6130-00-501-8586
NSN 6145-01-543-1491
NSN 5996-00-221-7663
NSN 6145-00-755-7010
NSN 5996-01-633-7979
NSN 6150-00-925-2465