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 6145-01-434-1738
NSN 6610-01-435-5425
NSN 5930-00-864-0696
NSN 5950-01-183-5375
NSN 6145-01-110-1185
NSN 6240-01-400-4212
NSN 6105-01-581-4009
NSN 5895-01-301-9635
NSN 6685-00-072-9645
NSN 5855-01-318-7663
NSN 7035-01-424-7019
NSN 5925-01-263-3846