Two flange connecting holes modified by 0.250-20 in. Unc threads
NSN 6220-01-415-0553
NSN 5960-00-825-9973
NSN 5999-01-179-5149
NSN 6610-01-137-4749
NSN 6220-01-534-1790
NSN 5930-01-058-5158
NSN 5985-01-403-2835
NSN 5985-01-371-2943
NSN 5985-00-222-1273
NSN 6645-01-205-3869
NSN 5915-00-108-8542
NSN 5835-01-158-6878
Last Updated: 07/30/2025