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 6610-01-490-5802
NSN 6650-00-021-2467
NSN 5925-00-035-8469
NSN 5895-00-105-6597
NSN 6220-00-376-8103
NSN 5960-01-336-0487
NSN 5999-01-085-1502
NSN 6135-00-500-2082
NSN 6110-01-593-5451
NSN 5930-00-875-7631
NSN 5960-00-224-6828
NSN 6645-01-378-8907