650 lb. Mk 38, Mk 495 lb. Mk 34
U.S.N.B.D. - UNITED STATES - BOMBS AND FUZES; PYROTECHNICS
SECTION I - HIGH EXPLOSIVE BOMBS
PART III - U.S. NAVY "MK" SERIES BOMBS

DATA:

 

U.S. NAVY BOMB

 

 

30 LB. FRAG

OVERALL LENGTH

22.2 in.

BODY LENGTH

12.8 in.

BODY DIAMETER

4.2 in.

WALL THICKNESS

0.57 in.  

TAIL LENGTH

7.0 in.

Mk 5, Mods 0, 1, 2 and 3

TAIL WIDTH

6.5 in.  

TAIL WEIGHT

2.5 lbs.

(Obsolete)

     

WEIGHTS:

Type of Filling

Cast T.N.T.

Weight of Filling

4.5 lbs.

Total Weight

33.4 lbs.

Chg/Wt. Ratio

13%

FUZING:

Nose:

 

Mk 5 Mod 2 and Mod 3: AN-Mk 219
Mk 5 Mod 0 and Mod 1: Mk XIV (Army Fuze)

BODY CONSTRUCTION:

Cast steel nose and tail piece threaded onto tubular steel body. The only difference in construction is that the Mk V Mod 1 and 2, 23 rings out from seamless tubing are fitted around the tubular body, while on the Mk 5 Mod 3, a steel wire is heli-cally wound left handed, the adjacent surface of wire being parallel.

SUSPENSION:

Horizontal suspension by a single eyebolt which is secured into a ring at the center of the body.

COLOR AND MARKINGS:

Yellow overall or grey with yellow disc on body.

TAIL CONSTRUCTION:

Four sheet steel vanes welded to tail cone, which is secured to base plug by a single bolt.

 

650 lb. Mk 38, Mk 495 lb. Mk 34