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 5998-01-448-9252
NSN 5965-00-518-0958
NSN 6685-01-160-7313
NSN 6145-00-925-4897
NSN 6620-01-655-4591
NSN 6610-01-100-3662
NSN 5930-01-367-2786
NSN 6135-00-715-4001
NSN 5920-01-130-8411
NSN 6610-00-994-8472
NSN 4140-01-076-9775
NSN 2925-01-587-3956