Thd holes centrally located on faceof hex through to center hole, n0.4-40, unc, 2a, rh thd
A straight nonfluid fitting with wrenching facilities on one end and external threads, other than pipe or hose series, on the other end. It has an unthreaded through hole in its axis which may be countersunk and/or counterbored on one or both ends. It is designed to accommodate a shaft, or the like, or used to reinforce a hole in a bulkhead, or the like. For similar items specifically designed for use in a stuffing box, see packing nut. For nonfluid items with an internal thread, see insert, screw thread; or adapter bushing. Excludes reducer, boss; and items designed to accommodate a tube or tube fitting.
NSN 5905-01-273-9045
NSN 6645-01-147-5579
NSN 6320-00-937-5625
NSN 6130-01-426-8841
NSN 5915-00-661-2223
NSN 5855-00-560-0110
NSN 5920-00-977-9782
NSN 6685-01-534-3725
NSN 5905-00-584-5009
NSN 6610-01-273-2075
NSN 5920-01-258-5775
NSN 7035-01-655-3275