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 6135-00-100-8890
NSN 6320-01-082-2970
NSN 5925-01-545-7165
NSN 5965-01-281-0458
NSN 6610-01-116-9276
NSN 5960-01-141-9986
NSN 5975-01-580-1197
NSN 5930-00-323-2175
NSN 6145-01-322-6906
NSN 5920-01-322-4216
NSN 5895-01-610-2536
NSN 6240-00-683-0725