Fuzes: A-3 (a).

Over-all length: 42 inches.

Length of body: 21 inches.

Diameter of body 9 3/8 inches.

Thickness of wall: 3/16 inch.

Material of wall: Steel.

Type of suspension: Horizontal.

Suspension lug: Normal Navy type suspension lug.

Color and markings: Gray over all with a green tipped nose and a blue band just aft of the green.

Length of tail: 21 inches.

Width of tail: 13 1/4 inches.

Width of tail fins: 6 inches.

Dimensions of tail struts: Outer struts: 9 1/2 inches x 1 3/8 inches x 1/16 inch. Inner struts: 4 3/4 inches x 1 3/8 inches x 1/16 inch.

Material of tail: Sheet steel.

Type of filling: Type 98 explosive.

Weight of filling: 85 pounds.

Total weight of bomb: 140 pounds.

Charge/weight ratio: 60 percent.

Construction of body: A cast-steel nose is attached to a tubular-steel body by a con-tinuous circumferential weld and 2 rows of 16 plug welds. An antiricochet nose attach-ment consisting ofa cylindrical metal ring 1/8 inch thick bent at a 90° angle is spot wel-ded to the bomb at a point 1 1/2 inches forward of the junction of the nose and body. The ring is 9 3/4 inches in diameter and 3 3/4 inches long. There are two notches 7/8 inch wide and 2 1/4 inches deep cut into the forward edge of the ring 180° apart and in line with the suspension lug.

The tail cone is attached to a collar by a continuous circumferential weld and 16 plug welds. The collar fits into the after end of the body and is held there by 2 rows of 16 screws.

Construction of tail: Four tail fins are welded to the tail cone and are braced by four sets of box type tail struts.

Figure 48 - Type 99 No. 6 Mk 2 Bomb Modification 1.