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 6220-01-469-6213
NSN 5950-01-412-1194
NSN 5895-00-445-4009
NSN 5960-00-151-7576
NSN 6150-01-068-3787
NSN 5990-01-548-3711
NSN 6620-01-464-3087
NSN 5998-01-245-9260
NSN 6650-00-126-3002
NSN 6610-01-048-9022
NSN 5925-01-375-6048
NSN 5999-01-218-5365