Two coaxial holes, 0.517 in. Dia
No other part numbers with same form, fit, and function found.
NSN 6620-01-338-2995
NSN 6220-01-272-8585
NSN 5950-01-507-3732
NSN 5985-01-451-3909
NSN 5895-01-054-9721
NSN 5990-01-093-8328
NSN 6610-00-935-7131
NSN 5945-00-299-8295
NSN 5950-01-220-5156
NSN 5895-01-087-0565
NSN 5990-01-185-5346
NSN 6320-00-242-3300