4 holes 0.220 min, 0.250 max radius; 3 grommet holes 0.311 min, 0.318 max radius; 5 holes 0.515 min, 0.546 max radius counterbore, 0.735 min, 0.765 max diameter by 0.125 min, 0.156 max in. Deep; all counterbored holes 0.016 outer radius permissible
NSN 5930-00-657-8157
NSN 6145-01-481-8270
NSN 5990-01-534-8609
NSN 6620-01-340-9425
NSN 6110-01-442-4144
NSN 6610-01-293-8156
NSN 6685-01-498-6805
NSN 5985-01-474-6168
NSN 6320-00-731-6134
NSN 6130-01-390-1765
NSN 5945-00-878-0765
NSN 5965-01-359-5501
Last Updated: 06/02/2025