3-inch A.A. Mk 25 Mods 1 and 23-inch A.A. Mk 31 Mod 1
U.S. EXPLOSIVE ORDNANCE
PART 1 - PROJECTILES, PROPELLANT,
AND PROECTILE FUZES
Chapter 1 - Projectiles
Section 2 - 3-INCH PROJECTILES
3-inch A.A. Mk 27 Mods 1, 2, and 3

Guns used in

3"/50

Overall length, inches

 

With nose fuze

12.13

Without nose fuze

8.11

Diameter of base, inches

2.98

Distance base to band, inches

1.35

Width of band, inches

1.00

Diameter at bourrelet, inches

2.98

Filling

Cast TNT

Weight of filling, pounds

0.74

Weight of loaded projectile, pounds

13.00

Charge/weight ratio

5.67%

Cartidge Case

Mk 7 all Mods
  Mk 9 Mod 0

Primer

Mk 14, Mk 14 Mod 1

Tracer

Mk 4

Fuzes

 

Nose

Mk 22 and Mods 1 through 5 (M.T.F.)
  Mk 30, Mods 1, 2, 3 (P.D.F.)

 

Mk 51 and Mods (M.T.F.)

Auxiliary Detonating Fuze

Mk 17 and Mods or

 

Mk 46

 

Mk 54 Mod 0

This projectile becomes 3-inch H.C. when the Fuze Mk 30 is substituted for the Mk 22.

The Auxiliary Detonating Fuze Mk 54 is replacing the Mk 17 and the Mk 46 in all as-semblies.

This projectile's shape is almost exactly similar to that of the Mk 23.

3-inch A.A. Mk 25 Mods 1 and 23-inch A.A. Mk 31 Mod 1