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 6645-00-521-5252
NSN 4140-01-337-0495
NSN 6105-00-731-7384
NSN 6320-01-253-1028
NSN 5996-01-592-2414
NSN 5855-00-991-0096
NSN 6610-00-921-1066
NSN 6145-01-264-0021
NSN 6105-01-429-1502
NSN 5999-01-444-4577
NSN 6650-01-008-6080
NSN 5990-01-470-2565