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 7035-00-541-8516
NSN 6685-00-858-4586
NSN 5965-01-517-2000
NSN 4140-01-511-2674
NSN 5945-01-094-6343
NSN 6145-01-461-2750
NSN 5996-01-167-9234
NSN 6145-01-326-6599
NSN 6135-01-118-8235
NSN 6610-01-003-6904
NSN 4140-01-129-2239
NSN 5925-00-133-5365