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 6685-01-409-2748
NSN 5985-00-281-0810
NSN 5915-01-502-6623
NSN 2925-00-351-1015
NSN 6320-01-341-7402
NSN 6650-01-147-7135
NSN 6620-01-110-6803
NSN 5945-01-500-3073
NSN 5915-00-877-7338
NSN 5905-00-957-0988
NSN 6135-01-498-2233
NSN 5998-01-291-0446