An item specifically designed to wholly, or in part, enclose the device securing the knob in position. It may have reference markings constant with functional requirements.
Classification: Parts and accessories (not specified or included elsewhere in this chapter) for machines, appliances, instruments or apparatus of chapter 90
NSN 5835-01-416-6449
NSN 5935-01-296-5829
NSN 6130-00-165-1701
NSN 6320-01-547-9877
NSN 6130-01-192-2499
NSN 5950-00-138-9701
NSN 6650-01-364-1313
NSN 5985-01-061-3494
NSN 5935-00-157-1198
NSN 5998-00-716-0996
NSN 5985-01-443-3141
NSN 6685-00-302-7904