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 6645-01-231-9891
NSN 5996-01-533-1469
NSN 5960-00-529-2704
NSN 6110-00-814-9234
NSN 6320-01-426-8947
NSN 5925-01-093-2484
NSN 6685-01-367-2534
NSN 5925-01-461-8378
NSN 5990-01-411-5930
NSN 6320-01-195-5583
NSN 6220-01-085-3391
NSN 5905-01-247-2222