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 5950-01-401-5321
NSN 5935-00-758-6081
NSN 5996-01-082-8987
NSN 6150-00-311-3105
NSN 5950-01-230-9622
NSN 6220-00-069-5239
NSN 5965-01-508-7025
NSN 6130-01-122-7112
NSN 6650-01-024-9554
NSN 5935-00-751-1587
NSN 5965-01-290-7085
NSN 5835-01-123-8305