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 5905-00-725-4143
NSN 6685-00-245-4550
NSN 6110-01-598-6963
NSN 6150-01-314-3144
NSN 5905-01-120-2881
NSN 5895-01-054-1437
NSN 6220-01-340-1578
NSN 4140-01-568-1221
NSN 5996-00-079-8550
NSN 6110-01-472-3641
NSN 5905-01-237-8707
NSN 5960-01-461-1384