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 6645-00-623-5052
NSN 5905-01-397-0047
NSN 5925-01-112-5405
NSN 5905-00-349-6984
NSN 6620-01-210-5583
NSN 6650-01-606-9209
NSN 6105-00-695-7962
NSN 5920-01-057-0593
NSN 4140-00-200-0970
NSN 6220-01-007-1912
NSN 5915-01-076-0406
NSN 5960-01-437-5318