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 5965-01-576-0212
NSN 5855-01-352-7033
NSN 4140-01-100-1223
NSN 5998-00-949-1595
NSN 6240-01-388-8407
NSN 5985-00-213-8633
NSN 5920-01-393-4526
NSN 5950-01-595-0207
NSN 6110-01-500-2240
NSN 5925-01-529-4273
NSN 5945-01-332-0700
NSN 6150-01-417-3587