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 5975-01-424-0314
NSN 6685-01-634-0611
NSN 6240-01-273-0193
NSN 5895-00-650-0376
NSN 5950-00-001-2621
NSN 6110-00-234-9377
NSN 7035-01-157-0028
NSN 6220-01-206-9023
NSN 5985-01-415-6259
NSN 5855-00-058-1293
NSN 6240-01-112-1120
NSN 5855-01-575-3154