federal specification is qq-b-626; surface treatment ans classification is military specification mil-f-14072
An item designed to be attached in place of the mounting bushing nut and/or attached to the chassis or panel for a volume control, a variable capacitor or the like to permit locking the shaft in a fixed position.
Classification: Parts and accessories (not specified or included elsewhere in this chapter) for machines, appliances, instruments or apparatus of chapter 90
NSN 4140-01-117-5698
NSN 5975-01-634-0678
NSN 6105-01-255-4028
NSN 5925-01-466-5271
NSN 5930-00-597-2407
NSN 5895-00-300-8059
NSN 6685-00-279-3620
NSN 5996-00-516-9281
NSN 5910-01-361-4083
NSN 6320-01-032-9703
NSN 5910-01-641-2902
NSN 7035-01-514-4617