Base Detonating Fuze Mk 19 Mods 0 and 1Base Detonating Fuze Mk 21 Mods 0 and 1
U.S. EXPLOSIVE ORDNANCE
PART 1 - PROJECTILES, PROPELLANT,
AND PROECTILE FUZES
Chapter 3 - PROJECTILE FUZES
Section 6 - BASE FUZES FOR PROJECTILES

Base Detonating Fuze Mk 20 Mods 0-2

Projectiles used in

4"/50 Sp. Common
5"/38 Sp. Common
5"/38 Common

Threaded length, inch

0.96

Threads

11 L.H.

Material

Body - manganese steel
Nose cap - duarlumin

Delay, second

0.01

Except for the dimensions noted above, the Base Detonating Fuze Mk 20 is the same as the Mk 19.

Mods 1 and 2 of this fuze, representing different manufacturers, differ from the Mod 0 only in being fully moisture-resistant.