The N-class destroyers were repeats of the J-class, except that they incorporated the wartime modifications made to the earlier ships. They displaced at
standard load and at
deep load. The ships had an
overall length of , a
beam of and a deep
draught of . They were powered by
Parsons geared
steam turbines, each driving one
propeller shaft, using steam provided by two
Admiralty three-drum boilers. The turbines developed a total of and gave a maximum speed of . The ships carried enough
fuel oil to give them a range of at . Their complement was 183 officers and
ratings. The main armament of the N-class ships were six
4.7-inch (120 mm) Mark XII guns in three twin-gun mounts, two
superfiring in front of the
bridge and one aft of the
superstructure. The rear torpedo tube mount was replaced by a single
QF Mk V anti-aircraft gun. Their light anti-aircraft suite consisted of one quadruple mount for
2-pounder guns, four single
Oerlikon guns and two twin mounts for
Vickers anti-aircraft machineguns. The N-class ships were fitted with one above-water quintuple mount for
torpedoes and two
depth charge throwers and one rack for 45 depth charges. ==Construction and career==