§ 173.171 Smokeless powder for small arms.
Current through Sep 25, 2026 · Read all of Part 173
Smokeless powder for small arms which has been classed in Division 1.3 or Division 1.4 may be reclassed in Division 4.1, for domestic transportation by motor vehicle, rail car, vessel, or cargo-only aircraft, subject to the following conditions:
(a) Powders that have been approved as Division 1.3C or Division 1.4C may be reclassed to Division 4.1 in accordance with §§ 173.56 and 173.58 of this part.
(b) The total quantity of smokeless powder may not exceed 45.4 kg (100 pounds) net mass in:
(1) One transport vehicle or cargo-only aircraft; or
(2) One freight container on a vessel, not to exceed four freight containers per vessel.
(c) Only combination packagings with inner packagings not exceeding 3.6 kg (8 pounds) net mass are authorized. Inner packagings must be arranged and protected so as to prevent simultaneous ignition of the contents. The complete package must be of the same type which has been examined as required in § 173.56 of this part.
(d) Inside packages that have been examined and approved by the Associate Administrator may be packaged in UN 4G fiberboard boxes meeting the Packing Group I performance level, provided all inside containers are packed to prevent shifting and the net weight of smokeless powder in any one box does not exceed 7.3 kg (16 pounds).
[Amdt. 173-224, 55 FR 52643, Dec. 21, 1990, as amended at 56 FR 66270, Dec. 20, 1991; Amdt. 173-241, 59 FR 67509, Dec. 29, 1994; Amdt. 173-253, 61 FR 27174, May 30, 1996; 66 FR 45379, Aug. 28, 2001; 68 FR 61941, Oct. 30, 2003; 75 FR 53597, Sept. 1, 2010; 78 FR 14714, Mar. 7, 2013; 78 FR 65482, Oct. 31, 2013; 81 FR 35542, June 2, 2016]
Interpretation letters (9)
- The transportation of smokeless gunpowder by ferry — PHMSA, May 31, 2018
- Exceptions for Smokeless Powder for Small Arms — PHMSA, Apr 2, 2015
- Transportation and Use of the Exception Applicable to Black Powder and Overpacks — PHMSA, Apr 24, 2012
- Packaging and transportation of smokeless powder for small arms — PHMSA, Aug 14, 2009
- Smokeless Powder for Small Arms — PHMSA, Jan 23, 2003
- Packaging for Smokeless Powder for Small Arms — PHMSA, Aug 11, 2000
- Combination Packagings for Smokeless Powder for Small Arms — PHMSA, Jun 18, 1998
- Performance Oriented Packaging (POP) Specifications — PHMSA, May 6, 1998
- Packaging Requirements for Smokeless Powder — PHMSA, Jan 31, 1997