0.218 in. Radius single ball seat
A nut, circular in shape, which may have wrenching facilities such as flats, holes, protrusions, slots or splines in or on the periphery or in the face opposite the bearing surface. For items having a thickness (or height) exceeding two times the outside diameter, use post, electrical-mechanical equipment. See also nut (1), plain, knurled. (when height or thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)
Classification: Nuts of iron or steel
NSN 5855-01-538-5521
NSN 5905-01-148-0331
NSN 6220-01-459-8668
NSN 5985-00-993-4957
NSN 5930-01-076-5214
NSN 5999-00-574-7560
NSN 7035-01-244-9179
NSN 6645-01-324-1956
NSN 6130-01-572-7933
NSN 5960-00-577-6942
NSN 5985-01-566-8699
NSN 6130-00-291-0589