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 5855-00-688-9954
NSN 6145-01-390-7129
NSN 5855-00-937-7709
NSN 6130-01-492-1627
NSN 6150-01-281-3067
NSN 5930-01-289-6066
NSN 6145-00-147-6422
NSN 5915-01-521-7194
NSN 5835-01-070-0763
NSN 5999-01-486-2275
NSN 5990-00-959-3312
NSN 6240-01-239-1488