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 5910-01-537-6609
NSN 5910-00-370-0259
NSN 5835-01-267-3388
NSN 6145-00-317-2087
NSN 4140-00-198-4961
NSN 6130-00-027-5186
NSN 6620-01-322-7678
NSN 6150-00-456-6529
NSN 6645-00-860-6967
NSN 6610-01-514-7755
NSN 6320-01-275-2741
NSN 6145-01-651-5208