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 5990-00-199-0081
NSN 6610-00-862-5501
NSN 5999-01-391-8201
NSN 5835-00-253-3453
NSN 6320-01-481-7322
NSN 5905-00-224-3616
NSN 6620-01-107-2965
NSN 5985-01-478-6162
NSN 5990-00-578-8850
NSN 4140-01-067-8242
NSN 6130-00-755-7060
NSN 6685-00-908-3957