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 6620-00-216-6416
NSN 4140-01-356-6126
NSN 6610-01-409-1781
NSN 5975-01-050-1253
NSN 5990-01-027-1869
NSN 6130-01-110-2351
NSN 7035-00-865-9105
NSN 6135-00-557-8874
NSN 5920-00-398-0766
NSN 6220-00-334-7008
NSN 6220-00-539-8769
NSN 5999-01-337-1214