49 C.F.R. 49 CFR--PART 171
Title 49 - Transportation
Effective Date(s): September 11, 2006 10. In §171.12, paragraph (b)(15) is revised to read as follows: * * * * * (b) * * * (15) Cylinders (including UN pressure receptacles) transported to, from, or within the United States must conform to the applicable requirements of this subchapter. Unless otherwise excepted in this subchapter, a cylinder may not be transported unless; (i) The cylinder is manufactured, inspected and tested in accordance with a DOT specification or a UN standard prescribed in part 178 of this subchapter, except that cylinders not conforming to these requirement must meet the requirements in §173.301(j), (k) or (l) of this subchapter; (ii) The cylinder is equipped with a pressure relief device in accordance with §173.301(f) of this subchapter and conforms to the applicable requirements in part 173 of this subchapter for the hazardous material involved; (iii) For an aluminum cylinder in oxygen service used for other than aircraft parts, the cylinder openings conform to the requirements of this paragraph. For a DOT specification cylinder (e.g. DOT 3AL), the opening must be configured with straight (parallel) threads. A UN pressure receptacle may have straight (parallel) or tapered threads provided the cylinder is marked with the thread type, e.g. “17E, 25E, 18P, 25P” and fitted with the properly marked valve; and (iv) The UN pressure receptacle is marked with “USA” as a country of approval in conformance with §§178.69 and 178.70 of this subchapter. * * * * *
Amendment from June 12, 2006
49 CFR--PART 171
Amendment(s) published June 12, 2006, in 71 FR 33876
§ 171.12 Import and export shipments.
