5/8 inches
No other part numbers with same form, fit, and function found.
NSN 5950-00-063-9303
NSN 5998-01-351-6518
NSN 5990-00-391-6207
NSN 5925-00-453-9929
NSN 6130-01-093-5804
NSN 5925-01-120-3837
NSN 6110-01-272-9246
NSN 5945-00-010-3007
NSN 5950-01-294-6692
NSN 5930-01-374-3365
NSN 5999-01-062-8467
NSN 4140-00-010-7955