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 5925-01-113-0663
NSN 5996-00-888-1180
NSN 5930-00-666-2971
NSN 5925-00-802-1243
NSN 6650-01-388-2538
NSN 5905-00-696-0308
NSN 5930-01-025-3109
NSN 6645-01-231-9891
NSN 6150-01-391-4934
NSN 7035-01-024-9511
NSN 5999-00-268-3022
NSN 5835-01-274-1035