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 6645-01-037-9125
NSN 6610-01-652-9477
NSN 2925-01-565-6410
NSN 5895-01-323-5724
NSN 6685-01-359-8716
NSN 6240-01-102-4861
NSN 5990-01-024-9659
NSN 5905-01-434-4244
NSN 6145-00-938-6085
NSN 5920-01-362-1459
NSN 6145-01-463-9205
NSN 6150-00-564-9933