5/64 - 1/4 in.
No other part numbers with same form, fit, and function found.
NSN 6685-01-309-6240
NSN 6130-00-200-9095
NSN 5945-01-604-7676
NSN 5835-01-406-5943
NSN 5905-01-570-8856
NSN 6320-00-925-0558
NSN 5996-00-513-0485
NSN 5915-00-753-7553
NSN 5985-01-449-2992
NSN 5950-01-288-0564
NSN 7035-01-451-1618
NSN 5905-01-492-7245