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 5998-01-041-7293
NSN 5895-01-060-9784
NSN 5965-01-568-3492
NSN 6610-01-447-5598
NSN 6105-01-428-9648
NSN 6240-00-132-5375
NSN 6135-00-752-1589
NSN 6220-00-107-1835
NSN 5895-01-231-0072
NSN 4140-00-834-5413
NSN 6610-01-608-5285
NSN 6320-01-365-2701