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 5998-01-058-1054
NSN 5905-01-287-4398
NSN 6105-01-308-3301
NSN 5925-00-283-6528
NSN 6150-01-630-2361
NSN 6685-01-021-7461
NSN 5895-01-272-9740
NSN 5935-00-628-4574
NSN 6135-01-295-8315
NSN 6620-01-025-1443
NSN 6320-01-094-2634
NSN 6135-01-386-5709