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 6130-01-344-1177
NSN 6685-01-255-4039
NSN 5920-01-418-1821
NSN 5835-01-152-9483
NSN 6620-01-574-6774
NSN 6220-01-227-5999
NSN 6645-00-333-5396
NSN 6145-00-530-8427
NSN 5960-01-327-0334
NSN 5965-00-537-4844
NSN 5999-00-878-1841
NSN 5935-01-181-1600