OP 1664 - U.S. Explosive Ordnance (Vol. 1); Part 1 - Projectiles, Propellants, and Projectile Fuzes; Chapter 1 - Projectiles; Section 4 - 5-inch projectiles: 5-inch A.A. Common Mk 28 Mod 9 (Obsolete)

U.S. EXPLOSIVE ORDNANCE

PART 1 - PROJECTILES, PROPELLANT,
AND PROECTILE FUZES

Chapter 1 - Projectiles

Section 4 - 5-INCH PROJECTILES

5-inch A.A. Common Mk 28 Mod 9 (Obsolete)

Guns used in	5"/25
Over-all length, inches
With nose fuze	20.70
Without nose fuze	16.945
Diameter of base, inches	4.973
Distance base to band, inches	2.43
Width of band, inches	2.0
Diameter at bourrelet, inches	4.985
Filling	Exp. D, Comp. A
Weight of filling, pounds	7.33
Weight of loaded projectile, pounds	51.7
Charge/weight ratio	14.0%
Cartidge Case	Mk 4
Primer	Mk 13 and all Mods
Tracer	None
Fuzes
Nose	Mk 32 all Mods (V.T.F.)
	Mk 40 all Mods (V.T.F.)
Auxiliary Detonating Fuze	Mk 17 and all Mods
	Mk 46 Mod 0
	Mk 54 Mod 0

This projectile is fuzed with V.T. fuzes only. The projectile adapter is removed, and a gas-checked base plug is inserted. No tracer or base fuze is used with this projectile.

The Fuze Mk 40 and Mods is currently replacing the Mk 32 and Mods in all assemblies. The Auxiliary Detonating Fuze Mk 54 is replacing the Fuzes Mk 17 and Mk 46 in all assen-blies.

This round is also issued B.L. & P. or B.L. & T. with the Tracer Mk 6 and adapter, or a cut-off Base Fuze Mk 13 for target practice.

Figure 35. 5-inch A.A. Common Mk 28 Mod 9