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 5855-01-601-7005
NSN 5915-01-280-0809
NSN 5965-00-836-2690
NSN 6645-01-602-3813
NSN 6130-00-116-8170
NSN 6130-01-417-2165
NSN 5985-01-128-8247
NSN 5996-00-883-2051
NSN 5935-00-509-3180
NSN 6650-00-144-4555
NSN 6130-01-546-5486
NSN 5999-01-214-5666