Part 2 - Pistols, Fuzes, and Detonators; Chapter 4: Sensitive DetonatorsPart 3 - Rockets; Chapter 1: Introduction
BRITISH EXPLOSIVE ORDNANCE
Part 2 - Chapter 4
Detonators

Anvil-Type Detonators

Cartridge-Base Class (Obsolete)

Detonator

Color Code

Delay

Length

Filling

Bombs Used In

No. 4 Mk I

White

None

3.3 in.

Cap composition, and detonating composition R.L. 112-lb. Mks VII and VIIC
 

 

 

 

  G.P. 120-lb. Mks I and II
 

 

 

 

  G.P. 250-lb. Mks I, II, and III

 

 

 

 

 

G.P. 500-lb. Mks I, II, and III

No. 13 Mk I

Blue

12 sec.

7.1 in.

Cap and detonating composition, delay and instantaneous fuze, and R.L. 112-lb. Mks VII and VIIC

 

 

 

 

gunpowder

 

No. 14 Mk I

Blue

15 sec.

13.6 in.

Cap and detonating composition, delay and instantaneous fuze, and G.P. 120-lb. Mks I and II

 

 

 

 

gunpowder

G.P. 250-lb. Mks I, II, and III

No. 18 Mk I

White

None

37.6 in.

Cap and detonating composition, instantaneous fuze and gunpowder

G.P. 500-lb. Mks I, II, and III

No. 19 Mk I

Green

2.5 sec.

37.6 in.

Cap and detonating composition, delay and instantaneous fuze, and G.P. 500-lb. Mks I, II, and III

 

 

 

 

gunpowder

 

No. 20 Mk I

Blue

15 sec.

37.6 in.

Cap and detonating composition, delay and instantaneous fuze, and

G.P. 500-lb. Mks I, II, and III

 

 

 

 

gunpowder

 

No. 21 Mk I

Yellow

1 sec.

3.3 in.

Cap and detonating composition, delay fuze, and gunpowder

R.L. 112-lb. Mks VII and VIIC

No. 22 Mk I

White

None

13.5 in.

Cap and detonating composition, delay and instantaneous fuze, and

G.P. 120-lb. Mks I and II

 

 

 

 

gunpowder

G.P. 250-lb. Mks I, II, and III

No. 23 Mk I

Green

2.5 sec.

13.6 in.

Cap and detonating composition, delay and instantaneous fuze, and G.P. 120-lb. Mks I and II

 

 

 

 

gunpowder

G.P. 250-lb. Mks I, II, and III

No. 24 Mk I

Blue

12 sec.

13.6 in.

Cap and detonating composition, delay and instantaneous fuze, and G.P. 120-lb. Mks I and II

 

 

 

 

gunpowder

G.P. 250-lb. Mks I, II, and III

No. 25 Mk I

Yellow

1 sec.

13.6 in.

Cap and detonating composition, delay and instantaneous fuze, and G.P. 120-lb. Mks I and II

 

 

 

 

gunpowder

G.P. 250-lb. Mks I, II, and III

No. 26 Mk I

Blue

12 sec.

37.6 in.

Cap and detonating composition, delay and instantaneous fuze, and G.P. 500-lb. Mks I, II, and III

 

 

 

 

gunpowder

 

No. 27 Mk I

Yellow

1 sec.

37.6 in.

Cap and detonating composition, delay and instantaneous fuze, and G.P. 500-lb. Mks I, II, and III

 

 

 

 

gunpowder

 

No. 30 Mk I

Blue

15 sec.

26 in.

Cap and detonating composition, delay and instantaneous fuze, and G.P. 250-lb. Mks I, II, and III

 

 

 

 

gunpowder

 

No. 31 Mk I

Yellow

1 sec.

26 in.

Cap and detonating composition, delay and instantaneous fuze, and G.P. 250-lb. Mks I, II, and III

 

 

 

 

gunpowder

 

No. 32 Mk I

Blue

12 sec.

26 in.

Cap and detonating composition, delay and instantaneous fuze, and G.P. 250-lb. Mks I, II, and III

 

 

 

 

gunpowder

 

No. 33 Mk I

White

None

26 in.

Cap and detonating composition, instantaneous fuze, and gunpowder

G.P. 250-lb. Mks I, II, and III

Anvil-Plug Class (Service)

Detonator

Color Code

Delay

Length

Filling

Bombs Used In

No. 35 Mk I

Blue

11 sec.

3.5 in.

Cap, delay, and exploder compositions, S.A.P. 250- and 500-lb. Mk V
 

 

 

 

A.S.A. mixture, and gunpowder

G.P. 250-, 500-lb. Mk IV; 1,000-lb. Mks I - IV; 1,900-lb. Mks I and II;
 

 

 

 

 

5,000-lb. Mks I and II

 

 

 

 

  M.C. 250-lb. Mks I and II; 500-lb. Mks I - XII; 1,000-lb. Mks I and II;
 

 

 

 

 

4,000-lb. Mks I and II

 

 

 

 

  H.C. 2,000-lb. Mks II and III; 4,000-lb. Mks I - IV; 8,000-lb. Mks I and

 

 

 

 

 

II; 12,000-lb. Mks I and II

No. 36 Mk I

White

None

3.5 in.

Cap, and exploder compositions, G.P. 40-lb. Mks I - III; 250-, 500-lb. Mk IV; 1,000-lb. Mks I - IV; 1,900-,
 

 

 

 

A.S.A mixture, and gunpowder

4,000-lb. Mks I - II

 

 

 

 

  M.C. 250-lb. Mks I and II; 500-lb. Mks I - XII; 1,000-, 4,000-lb. Mks I
 

 

 

 

 

and II

 

 

 

 

  H.C. 2,000-lb. Mks II and III; 4,000-lb. Mks I - IV; 8,000-lb. Mks I and

 

 

 

 

 

II; 12,000-lb. Mk II

No. 37 Mk I

Black

0.025 sec.

3.5 in.

Cap, and exploder composition, G.P. 40-lb. Mk I

 

 

 

 

A.S.A. mixture, and gunpowder

 

No. 43 Mk I

White

None

3.5 in.

Cap and detonating composition F. 20-lb. Mks I - III (Parachute); 20-lb. Mks I - III (Stabilized)
 

 

 

 

  G.P. 40-lb. Mks I - III (Parachute); 40-lb. Mks I - III (Stabilized); 250-,
 

 

 

 

 

500-lb. Mk IV; 1,000-lb. Mks I - IV; 1,900-, 4,000-lb. Mks I and II

 

 

 

 

  M.C. 250-lb. Mks I and II; 500-lb. Mks I - XIII; 1,000-, 4,000-lb.
 

 

 

 

 

Mks I and II

 

 

 

 

  H.C. 2,000-lb. Mks II and III; 4,000-lb. Mks I - IV; 8,000-lb. Mks I and

 

 

 

 

 

II; 12,000-lb. Mk II

No. 44 Mk I

Yellow

1 sec.

3.5 in.

Cap, delay, and exploder composi- S.A.P. 250-, 500-lb. Mk V
 

 

 

 

tion, A.S.A. mixture, and gunpow-

A.S. 100-, 250-, 500-lb. Mk IV
 

 

 

 

der

G.P. 250-, 500-lb. Mk V; 1,000-lb. Mks I - IV; 1,900-, 4,000-lb. Mks I
 

 

 

 

 

and II

 

 

 

 

  M.C. 250-lb. Mks I and II; 500-lb. Mks I - XII; 1,000-, 4000-lb. Mks
 

 

 

 

 

I and II

 

 

 

 

  H.C. 2,000-lb. Mks II and III; 4,000-lb. Mks I - IV; 8000-lb. Mks I and

 

 

 

 

 

II; 12,000-lb. Mk II

No. 47 Mk I

Brown

0.12 sec.

3.5 in.

Cap, delay, and exploder composi- S.A.P. 250-, 500-lb. Mk V
 

 

 

 

tion, A.S.A. mixutre, and gunpow-

 

 

 

 

 

der

 

No. 49 Mk I

Black

0.025 sec.

3.5 in.

Cap, delay, and exploder composi- G.P. 40-lb. Mks I - III; 250-, 500-lb. Mk IV; 1,000-lb. Mks I - IV; 1,900-,
 

 

 

 

tion, and A.S.A. mixture

4,000-lb. Mks I and II

 

 

 

 

  M.C. 250-lb. Mks I and II; 500-lb. Mks I - XII; 1,000-, 4,000-lb. Mks I
 

 

 

 

 

and II

 

 

 

 

  H.C. 2,000-lb. Mks II and III; 4,000-lb. Mks I - IV; 8,000-lb. Mks I and II;
 

 

 

 

 

12,000-lb. Mk II

Part 2 - Pistols, Fuzes, and Detonators; Chapter 4: Sensitive DetonatorsPart 3 - Rockets; Chapter 1: Introduction