HazMat Tool — substance information

Fuzes, detonating

HMT 15 June 2026

UN / ID: UN 0107
Hazard class: 1.2B
Packing group: n/a (multiple — see tabs)
ERG guide: —
Special provisions: —
Source: 49 CFR §172 (15 June 2026)

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Fuzes, detonating

In military munitions, a fuze is the part of the device that initiates function Wikipedia

Hazardous Materials Table

Source: 49 CFR §172 (15 June 2026)

Packing group
Packing group
Packing group

(3) Hazard Class

1.2
Explosives

Compatibility group of explosives - Description of substances or article to be classified

Group: B

Article containing a primary explosive substance and not containing two or more effective protective features. Some articles, such as detonators for blasting, detonator assemblies for blasting and primers, cap-type, are included, even though they do not contain primary explosives.

Source: 49 CFR §173.52

(7) Special Provisions (§172.102)

(8) Packing Authorizations (§173.***)

(8A) Exceptions	None
(8B) Non-bulk	62	see 49 CFR §173.62
(8C) Bulk	None

(9) Quantity Limits

(9A) Passenger aircraft/rail	Forbidden
(9B) Cargo aircraft only	Forbidden

(10) Vessel stowage

(10A) Location

Stowage category “05” means the material may be stowed “on deck” in closed cargo transport units on a cargo vessel (up to 12 passengers) but the material is prohibited on a passenger vessel.

Source: 49 CFR §172.101(k)

(10B) Other

25	see 49 CFR §176.84

Source: 49 CFR §176.84

(3) Hazard Class

1.1
Explosives

(4) Identification number

UN 0106

(5) Packing Group

n/a

Comparison View of PG

(6) Labels

Compatibility group of explosives - Description of substances or article to be classified

Group: B

(7) Special Provisions (§172.102)

(8) Packing Authorizations (§173.***)

(8A) Exceptions	None
(8B) Non-bulk	62	see 49 CFR §173.62
(8C) Bulk	None

(9) Quantity Limits

(9A) Passenger aircraft/rail	Forbidden
(9B) Cargo aircraft only	Forbidden

(10) Vessel stowage

(10A) Location

Stowage category “05” means the material may be stowed “on deck” in closed cargo transport units on a cargo vessel (up to 12 passengers) but the material is prohibited on a passenger vessel.

Source: 49 CFR §172.101(k)

(10B) Other

25	see 49 CFR §176.84

Source: 49 CFR §176.84

(3) Hazard Class

1.4
Explosives

(4) Identification number

UN 0257

(5) Packing Group

n/a

Comparison View of PG

(6) Labels

Compatibility group of explosives - Description of substances or article to be classified

Group: B

Cargo Aircraft Only (Cargo Aircraft Only)

(7) Special Provisions (§172.102)

×Note:
Special provisions may be very complex. The extracts are taken from 49 CFR §172.102. Please be careful with the information, as necessary, additional conditions may be applied that are not written here. Please check the original source and report bugs.

116	Fuzes, detonating may be classed in Division 1.4 if the fuzes do not contain more than 25 g of explosive per fuze and are made and packaged so that they will not cause functioning of other fuzes, explosives or other explosive devices if one of the fuzes detonates in a shipping packaging or in adjacent packages. Browse special provision 116

(8) Packing Authorizations (§173.***)

(8A) Exceptions	None
(8B) Non-bulk	62	see 49 CFR §173.62
(8C) Bulk	None

(9) Quantity Limits

(9A) Passenger aircraft/rail	Forbidden
(9B) Cargo aircraft only	75 kg

(10) Vessel stowage

(10A) Location

Stowage category “05” means the material may be stowed “on deck” in closed cargo transport units on a cargo vessel (up to 12 passengers) but the material is prohibited on a passenger vessel.

Source: 49 CFR §172.101(k)

(10B) Other

25	see 49 CFR §176.84

Source: 49 CFR §176.84

(3) Hazard Class

1.4
Explosives

(4) Identification number

UN 0367

(5) Packing Group

n/a

Comparison View of PG

(6) Labels

Compatibility group of explosives - Description of substances or article to be classified

Group: S

Substance or article so packed or designed that any hazardous effects arising from accidental functioning are limited to the extent that they do not significantly hinder or prohibit fire fighting or other emergency response efforts in the immediate vicinity of the package.

Source: 49 CFR §173.52

(7) Special Provisions (§172.102)

116	Fuzes, detonating may be classed in Division 1.4 if the fuzes do not contain more than 25 g of explosive per fuze and are made and packaged so that they will not cause functioning of other fuzes, explosives or other explosive devices if one of the fuzes detonates in a shipping packaging or in adjacent packages. Browse special provision 116
347	Effective July 1, 2011, for transportation by aircraft, this entry may only be used if the results of Test series 6(d) of Part I of the UN Manual of Tests and Criteria (IBR, see § 171.7 of this subchapter) have demonstrated that any hazardous effects from accidental functioning are confined to within the package. Effective January 1, 2012, for transportation by vessel, this entry may only be used if the results of Test Series 6(d) of Part I of the UN Manual of Tests and Criteria (IBR, see § 171.7 of this subchapter) have demonstrated that any hazardous effects from accidental functioning are confined to within the package. Effective January 1, 2014, for transportation domestically by highway or rail, this entry may only be used if the results of Test Series 6(d) of Part I of the UN Manual of Tests and Criteria (IBR, see § 171.7 of this subchapter) have demonstrated that any hazardous effects from accidental functioning are confined to within the package. Testing must be performed or witnessed by a person who is approved by the Associate Administrator (see § 173.56(b) of this subchapter). All successfully conducted tests or reassignment to another compatibility group require the issuance of a new or revised approval by the Associate Administrator prior to transportation on or after the dates specified for each authorized mode of transport in this special provision. Browse special provision 347

(8) Packing Authorizations (§173.***)

(8A) Exceptions	None
(8B) Non-bulk	62	see 49 CFR §173.62
(8C) Bulk	None

(9) Quantity Limits

(9A) Passenger aircraft/rail	25 kg
(9B) Cargo aircraft only	100 kg

(10) Vessel stowage

(10A) Location

Stowage category “01” means the material may be stowed “on deck” in closed cargo transport units or “under deck” on a cargo vessel (up to 12 passengers) or on a passenger vessel.

Source: 49 CFR §172.101(k)

(10B) Other

25	see 49 CFR §176.84

Source: 49 CFR §176.84

Packing group comparison

Multiple packing groups apply to this entry. See assignment criteria in 49 CFR §173 Subpart D. Details are in the tabs above; differences are highlighted.

	PG n/a	PG n/a	PG n/a	PG n/a
1
2	Fuzes, detonating	Fuzes, detonating	Fuzes, detonating	Fuzes, detonating
3	1.2B	1.1B	1.4B	1.4S
4	UN 0107	UN 0106	UN 0257	UN 0367
5	n/a	n/a	n/a	n/a
6	1.2B	1.1B	1.4B	1.4S
7	n/a	n/a	116	116, 347
8A	None	None	None	None
8B	62	62	62	62
8C	None	None	None	None
9A	Forbidden	Forbidden	Forbidden	25 kg
9B	Forbidden	Forbidden	75 kg	100 kg
10A	05	05	05	01
10B	25	25	25	25

Segregation chart for load, transport, and storage

This chart shows whether loading, transport, or storage with other hazard classes is permitted, prohibited, or restricted. Based on 49 CFR §177.848.

Hazard class	8	7	6.1	5.2	5.1	4.3	4.2	4.1	3	2.3B	2.3A	2.2	2.1	1.6	1.5	1.4	1.3	1.1/1.2
1.1/1.2
1.3
1.4
1.5
1.6
2.1
2.2
2.3A
2.3B
3
4.1
4.2
4.3
5.1
5.2
6.1
7
8

	Must not be loaded, transported, or stored together in the same vehicle or facility.
	May be loaded, transported, or stored together.
	May be loaded, transported, or stored together only with restrictions.

Similar substances

UN / ID	Proper shipping name	Hazard class
UN 0410	Fuzes, detonating, with protective features	1.4D
UN 0409	Fuzes, detonating, with protective features	1.2D
UN 0408	Fuzes, detonating, with protective features	1.1D
UN 0104	Cord, detonating, mild effect or Fuse, detonating, mild effect metal clad	1.4D
UN 0290	Cord, detonating or Fuze, detonating metal clad	1.1D
UN 0102	Cord, detonating or Fuze, detonating metal clad	1.2D
UN 0101	Fuse, non-detonating instantaneous or quickmatch	1.3G
UN 0065	Cord, detonating, flexible	1.1D
UN 0289	Cord, detonating, flexible	1.4D
	Fuse, detonating, mild effect, metal clad, see Cord, detonating, mild effect, metal clad