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 6320-01-111-0960
NSN 5999-01-099-6962
NSN 5915-01-551-5322
NSN 6130-01-267-6123
NSN 4140-01-020-4224
NSN 5920-00-305-2867
NSN 7035-01-385-3628
NSN 5935-01-417-9818
NSN 6645-00-988-3167
NSN 6620-01-511-5352
NSN 6645-01-323-1956
NSN 5835-01-426-0069