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 5945-00-840-5256
NSN 5920-01-497-7618
NSN 6130-01-371-2417
NSN 5985-01-258-4027
NSN 5990-01-378-7349
NSN 4140-01-529-1315
NSN 6650-00-020-6966
NSN 5930-01-620-3030
NSN 6685-01-360-4479
NSN 5920-00-263-2192
NSN 6110-01-601-3286
NSN 5920-01-300-1510