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 5990-01-205-5937
NSN 6110-01-248-4737
NSN 5960-00-177-2953
NSN 5960-01-462-1864
NSN 5998-00-248-2791
NSN 6685-01-012-4239
NSN 6650-00-382-6080
NSN 5935-00-060-4839
NSN 5910-01-514-2435
NSN 5975-01-163-4359
NSN 5975-00-061-5668
NSN 6320-01-170-4068