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 6220-00-520-0333
NSN 5920-01-135-8122
NSN 5990-01-105-5336
NSN 2925-01-511-1898
NSN 6145-01-026-9085
NSN 5935-01-337-2525
NSN 5999-01-555-8285
NSN 6645-00-780-5260
NSN 5945-01-605-4001
NSN 6135-01-421-4855
NSN 5985-01-254-0698
NSN 5895-01-380-1445