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 6145-01-260-0853
NSN 5945-01-497-6979
NSN 5998-01-633-1497
NSN 6320-01-393-7022
NSN 5996-00-612-1590
NSN 6620-00-654-3738
NSN 5999-01-205-4683
NSN 4140-01-436-4755
NSN 5910-00-964-5240
NSN 5975-00-281-0426
NSN 6685-00-296-0392
NSN 5920-00-786-8241