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 5945-01-179-9695
NSN 6130-01-453-3053
NSN 6135-01-633-8502
NSN 7035-01-534-4459
NSN 5965-01-606-2633
NSN 5945-01-508-9075
NSN 5965-00-471-5018
NSN 6620-01-559-1921
NSN 2925-00-502-3768
NSN 6130-01-474-1387
NSN 2925-01-032-3814
NSN 6240-00-069-8038