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 5895-00-430-8395
NSN 6135-01-652-4521
NSN 6685-00-947-0059
NSN 6645-01-439-8368
NSN 6610-00-925-5064
NSN 6610-01-312-1644
NSN 6130-00-862-5516
NSN 6620-01-124-0947
NSN 5935-01-357-8028
NSN 6320-01-473-9024
NSN 4140-01-415-0125
NSN 5945-00-204-0041