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 2925-01-157-9204
NSN 5945-00-855-0669
NSN 5920-01-343-0294
NSN 5999-00-480-2564
NSN 5920-01-384-2034
NSN 7035-01-548-5412
NSN 6685-00-238-0100
NSN 5905-00-832-8214
NSN 6105-00-086-9951
NSN 5835-01-083-8131
NSN 5930-01-571-6709
NSN 5925-01-409-2616