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 6650-00-815-1579
NSN 6105-00-623-0365
NSN 6620-00-863-4639
NSN 5996-01-542-5137
NSN 6620-00-189-0967
NSN 6220-00-466-2681
NSN 4140-01-397-5461
NSN 5998-01-419-8131
NSN 5925-00-926-0863
NSN 5965-01-377-3587
NSN 5835-00-166-9413
NSN 5990-01-318-3238