The 1:144 Revell Z1 German Destroyer, is any WWII German destroyer or it is the Fletcher class destroyers given to Western Germany after WWII (as a member of the OTAN)

By OTAN I meant NATO.

To enable the speedy build-up of their navy after World War II the Federal Republic of Germany received on lease from the USA six destroyers of the Fletcher Class. Before they were taken over all the vessels received a general overhaul and refit in accordance with the requirements of the German Navy. Extensive modifications were also made to the deck superstructures. The Destroyer 1 (Z1) NATO designation D170 went into service with the German Navy in January 1958 as a destroyer of the new Class 119. The Destroyer 5 (Z5/D179) followed in February 1960. Based on the existing model kit for the US Navy Fletcher Class Destroyers, 155 new componentsgive a detailed and authentic reproduction of the German Navy version. In addition to the main armament, four 127 mm gun mountings, the three semi-automatic twin barrelled quick-fire 76.2 calibre cannon are shown in detailwith movable barrels. The latter were designed to secure the air space above it. This highly detailed model kit also includes the five torpedo tubes for surface-to-surface warfare, two torpedotubes for anti-submarine warfare and two Hedgehog anti-submarine mine layers.

The fact that the guns turrets are US 5"ers, and an the stacks are matched make the Revell kit a US Fletcher class destroyer.

The original WWII Z class destroyer were much blockier.
The forward stack were larger than the stern stack.
And they also had a stepped deck.

http://www.deansmarine.co.uk/shop/pr...roducts_id/457

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Some combat Z boats in 1/72nd scale
1/72nd scale Graf Spee and Z boat
Kagero class Japanese DD and a Z boat(camoflauge)