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 5975-00-428-1683
NSN 6130-00-862-5516
NSN 5930-01-170-8298
NSN 5855-00-631-4565
NSN 5895-01-106-4161
NSN 6135-00-871-3646
NSN 7035-01-659-1927
NSN 6610-00-561-5600
NSN 5905-01-649-7934
NSN 6685-00-467-2943
NSN 6645-01-381-6084
NSN 5950-00-971-4701