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 5960-01-364-1318
NSN 5950-01-260-2107
NSN 5895-01-577-2304
NSN 5925-00-782-4742
NSN 5855-01-074-3335
NSN 6135-00-432-8779
NSN 6645-00-754-4108
NSN 5945-01-451-8441
NSN 7035-01-612-9835
NSN 6220-01-508-3408
NSN 5950-00-824-5041
NSN 5895-01-309-9297