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 4140-00-826-8534
NSN 5965-00-675-8799
NSN 2925-01-424-0235
NSN 5996-01-217-3670
NSN 5998-01-194-4493
NSN 5996-01-323-6008
NSN 6320-01-442-3428
NSN 5920-01-578-7055
NSN 6610-00-509-0887
NSN 5935-01-431-0917
NSN 6685-01-419-5497
NSN 5930-00-622-6262