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 6685-01-470-6827
NSN 6320-01-166-3602
NSN 6610-00-420-8475
NSN 5910-01-194-2741
NSN 5835-00-170-5238
NSN 2925-01-416-6927
NSN 5915-01-528-1950
NSN 6650-01-500-6294
NSN 6130-00-968-7562
NSN 6150-01-212-7110
NSN 5960-01-113-4839
NSN 6220-01-334-0613