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 6650-01-318-9413
NSN 5915-01-151-1715
NSN 5985-01-201-1271
NSN 5910-00-035-5534
NSN 5975-01-530-3318
NSN 5985-01-273-0938
NSN 6320-01-125-3361
NSN 5905-01-217-2454
NSN 6685-00-359-5569
NSN 5998-00-774-3192
NSN 5905-01-014-6636
NSN 5920-01-115-7902