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 6110-01-305-3205
NSN 7035-01-100-2796
NSN 6645-01-329-3136
NSN 5950-00-810-8006
NSN 6145-01-412-5385
NSN 5960-00-971-8432
NSN 6240-01-502-1211
NSN 5965-01-293-0121
NSN 5930-01-313-6562
NSN 6610-00-304-5077
NSN 6620-01-322-8382
NSN 5925-01-187-4640