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 5999-01-342-4979
NSN 5996-01-282-7931
NSN 6620-01-100-0431
NSN 5895-01-250-2422
NSN 5965-01-058-1076
NSN 2925-01-048-8464
NSN 6110-00-947-6621
NSN 2925-01-206-7948
NSN 5996-01-115-8509
NSN 5960-01-354-0762
NSN 6610-01-485-5083
NSN 5910-01-475-7757