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 6240-01-499-9150
NSN 6240-01-459-6965
NSN 6240-00-677-0305
NSN 6130-01-293-4650
NSN 5895-01-649-3401
NSN 5905-00-484-5588
NSN 5895-01-383-0240
NSN 5835-01-219-0586
NSN 6645-01-051-7447
NSN 5855-01-020-7982
NSN 5990-01-382-5364
NSN 6610-01-555-8364