Title 49

PART 178 SUBPART C

Subpart C - Specifications for Cylinders

• 49 U.S.C. 5101-5128; 49 CFR 1.81 and 1.97.

49:3.1.1.1.1.3.1.1	SECTION 178.35	178.35 General requirements for specification cylinders.
49:3.1.1.1.1.3.1.2	SECTION 178.36	178.36 Specification 3A and 3AX seamless steel cylinders.
49:3.1.1.1.1.3.1.3	SECTION 178.37	178.37 Specification 3AA and 3AAX seamless steel cylinders.
49:3.1.1.1.1.3.1.4	SECTION 178.38	178.38 Specification 3B seamless steel cylinders.
49:3.1.1.1.1.3.1.5	SECTION 178.39	178.39 Specification 3BN seamless nickel cylinders.
49:3.1.1.1.1.3.1.6	SECTION 178.42	178.42 Specification 3E seamless steel cylinders.
49:3.1.1.1.1.3.1.7	SECTION 178.44	178.44 Specification 3HT seamless steel cylinders for aircraft use.
49:3.1.1.1.1.3.1.8	SECTION 178.45	178.45 Specification 3T seamless steel cylinder.
49:3.1.1.1.1.3.1.9	SECTION 178.46	178.46 Specification 3AL seamless aluminum cylinders.
49:3.1.1.1.1.3.1.10	SECTION 178.47	178.47 Specification 4DS welded stainless steel cylinders for aircraft use.
49:3.1.1.1.1.3.1.11	SECTION 178.50	178.50 Specification 4B welded or brazed steel cylinders.
49:3.1.1.1.1.3.1.12	SECTION 178.51	178.51 Specification 4BA welded or brazed steel cylinders.
49:3.1.1.1.1.3.1.13	SECTION 178.53	178.53 Specification 4D welded steel cylinders for aircraft use.
49:3.1.1.1.1.3.1.14	SECTION 178.55	178.55 Specification 4B240ET welded or brazed cylinders.
49:3.1.1.1.1.3.1.15	SECTION 178.56	178.56 Specification 4AA480 welded steel cylinders.
49:3.1.1.1.1.3.1.16	SECTION 178.57	178.57 Specification 4L welded insulated cylinders.
49:3.1.1.1.1.3.1.17	SECTION 178.58	178.58 Specification 4DA welded steel cylinders for aircraft use.
49:3.1.1.1.1.3.1.18	SECTION 178.59	178.59 Specification 8 steel cylinders with porous fillings for acetylene.
49:3.1.1.1.1.3.1.19	SECTION 178.60	178.60 Specification 8AL steel cylinders with porous fillings for acetylene.
49:3.1.1.1.1.3.1.20	SECTION 178.61	178.61 Specification 4BW welded steel cylinders with electric-arc welded seam.
49:3.1.1.1.1.3.1.21	SECTION 178.65	178.65 Specification 39 non-reusable (non-refillable) cylinders.
49:3.1.1.1.1.3.1.22	SECTION 178.68	178.68 Specification 4E welded aluminum cylinders.
49:3.1.1.1.1.3.1.23	SECTION 178.69	178.69 Responsibilities and requirements for manufacturers of UN pressure receptacles.
49:3.1.1.1.1.3.1.24	SECTION 178.70	178.70 Approval of UN pressure receptacles.
49:3.1.1.1.1.3.1.25	SECTION 178.71	178.71 Specifications for UN pressure receptacles.
49:3.1.1.1.1.3.1.26	SECTION 178.74	178.74 Approval of MEGCs.
49:3.1.1.1.1.3.1.27	SECTION 178.75	178.75 Specifications for MEGCs.
49:3.1.1.1.1.3.1.28.1	APPENDIX Appendix A	Appendix A to Subpart C of Part 178 - Illustrations: Cylinder Tensile Sample

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