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 5950-00-639-9675
NSN 6685-01-221-7678
NSN 5965-01-521-7214
NSN 5945-00-300-5443
NSN 5920-01-197-0261
NSN 5920-01-422-0177
NSN 5920-00-513-2613
NSN 5855-00-466-2309
NSN 5950-00-898-1535
NSN 6610-01-421-5367
NSN 4140-01-500-9019
NSN 7035-01-537-0033