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 6610-01-294-5666
NSN 5998-00-007-6013
NSN 5910-01-212-3090
NSN 6105-00-908-5008
NSN 6135-00-087-0333
NSN 6145-00-940-9555
NSN 5998-01-113-0449
NSN 6130-00-130-1156
NSN 6620-00-160-0844
NSN 4140-00-451-8374
NSN 6620-01-400-2928
NSN 2925-01-334-7122