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 6620-00-890-3931
NSN 5950-01-397-0733
NSN 6150-00-516-1798
NSN 4140-00-210-0552
NSN 4140-01-417-1360
NSN 2925-00-028-1481
NSN 5895-01-281-8700
NSN 5965-01-295-1125
NSN 5915-00-192-3109
NSN 5930-01-010-4297
NSN 5950-01-516-3258
NSN 6220-00-416-6215