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 4140-01-391-9994
NSN 4140-01-564-7840
NSN 5910-01-163-3943
NSN 5895-01-486-0381
NSN 5910-01-185-2767
NSN 5965-00-493-6008
NSN 2925-01-305-0392
NSN 2925-00-373-8837
NSN 6685-00-198-3364
NSN 4140-01-604-2287
NSN 5999-01-377-1142
NSN 6240-00-128-0267