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 6320-00-270-8222
NSN 5925-01-525-1406
NSN 6130-00-684-6773
NSN 6135-01-265-1384
NSN 5950-00-760-4014
NSN 5895-00-783-3416
NSN 5835-01-272-4087
NSN 2925-00-441-8252
NSN 6145-01-208-1644
NSN 4140-01-327-3241
NSN 5985-00-292-9206
NSN 5925-01-458-5096