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 5905-01-448-2781
NSN 7035-01-480-5537
NSN 5915-01-492-6153
NSN 4140-01-623-0064
NSN 5975-00-804-1489
NSN 5999-01-233-4743
NSN 6150-01-429-5957
NSN 6130-01-531-9873
NSN 6620-01-478-0535
NSN 6145-00-628-7088
NSN 5990-00-082-3107
NSN 5945-01-285-4302