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 7035-01-646-0272
NSN 6130-01-195-0773
NSN 5925-01-136-4968
NSN 6150-01-484-3252
NSN 5915-00-450-6821
NSN 2925-01-583-5619
NSN 5965-00-936-9081
NSN 5935-00-639-1382
NSN 5855-00-472-2055
NSN 5855-00-548-4742
NSN 5915-01-184-2521
NSN 6130-01-434-6091