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 6650-01-578-8176
NSN 6220-01-250-4149
NSN 4140-01-483-3955
NSN 5990-00-022-2957
NSN 6145-00-097-9437
NSN 5945-00-343-8447
NSN 6110-01-289-1284
NSN 6145-00-669-6795
NSN 6110-01-303-2224
NSN 5905-00-161-4410
NSN 6220-01-050-7510
NSN 5915-01-597-3703