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 5965-00-110-3330
NSN 6610-00-025-1878
NSN 5998-01-644-7948
NSN 6650-01-485-2351
NSN 6610-01-323-9426
NSN 5950-01-506-1086
NSN 6130-01-012-1770
NSN 6105-00-110-8834
NSN 6220-01-537-6224
NSN 5965-01-217-5620
NSN 5905-00-498-2111
NSN 5960-01-214-4518