FF-N-836E, FEDERAL SPECIFICATION: NUT, SQUARE, HEXAGON, CAP, SLOTTED, CASTLE, KNURLED, WELDING AND SINGLE BALL SEAT (14 FEB 1994)
FF-N-836E, FEDERAL SPECIFICATION: NUT, SQUARE, HEXAGON, CAP, SLOTTED, CASTLE, KNURLED, WELDING AND SINGLE BALL SEAT (14 FEB 1994)., This specification covers cap, castle, hexagon, knurled, slotted, square, welding, and single ball seat nuts (see 6.3.).