Bomb Tail Hydrostatic Fuze Mk 231 Mod 0Bomb Tail Fuzes Mk 237 and Mk 238
BOMB FUZE DATA
Part 1 - NAVY BOMB FUZES
BOMB ATHWARTSHIP HYDROSTATIC FUZE Mk 234

Bomb Fuzes Mk 232 and Mk 233. - These special fuzes are described in OP 994. The fuzes and information concerning them may be obtained by special request to the Bu-reau of Ordnance.

Characteristics

Action - Hydrostatic arming and firing, adjustable to firing depths of 25, 50, 75, 100, and 125 ft.

Modification - Mods 0, 1, 2, and 3. Mods 0, 1, and 2 differ only in the identity of the manufacturer. Mod 3 has only one detonator slider

Status - Obsolete.
Restriction on Use - Not to be used by Naval activites.
Air Travel to Arm - Non required.

Indication of Arming - The fuze is partially armed when the hump-out pin is missing. Hydrostatic pressure is needed to complete arming.

Figure 24. - Outline Drawing of Athwartship Hydrostatic Fuze Mk 234

Bombs in Which Used

All depth bombs with transverse fuze pockets. (Requires use of a spacer with 650- and 700-lb. depth bombs.)

Figure 25. - Athwartship Hydrostatic Fuze Mk 234

Weight and Packing

Weight of Fuze Fully Loaded - Approximately 12.0 lb.
Weight of Booster - 0.5 oz tetryl and 8.9 oz. TNT.

Standard Packing - Four metal containe, each containing one complete fuze (including booster and booster extender) with bolts and gaskets, are packed in a metal crate mea-suring 17.2 in x 7.8 in. x 7.8 in. and weighing about 60 lb. gross.

Bomb Tail Hydrostatic Fuze Mk 231 Mod 0Bomb Tail Fuzes Mk 237 and Mk 238