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�178.35 General requirements for specification cylinders.
�178.36 Specification 3A and 3AX seamless steel cylinders.
�178.37 Specification 3AA and 3AAX seamless steel cylinders.
�178.38 Specification 3B seamless steel cylinders.
�178.39 Specification 3BN seamless nickel cylinders.
�178.42 Specification 3E seamless steel cylinders.
�178.44 Specification 3HT seamless steel cylinders for aircraft use.
�178.45 Specification 3T seamless steel cylinder.
�178.46 Specification 3AL seamless aluminum cylinders.
�178.47 Specification 4DS welded stainless steel cylinders for aircraft use.
�178.50 Specification 4B welded or brazed steel cylinders.
�178.51 Specification 4BA welded or brazed steel cylinders.
�178.53 Specification 4D welded steel cylinders for aircraft use.
�178.55 Specification 4B240ET welded or brazed cylinders.
�178.56 Specification 4AA480 welded steel cylinders.
�178.57 Specification 4L welded insulated cylinders.
�178.58 Specification 4DA welded steel cylinders for aircraft use.
�178.59 Specification 8 steel cylinders with porous fillings for acetylene.
�178.60 Specification 8AL steel cylinders with porous fillings for acetylene.
�178.61 Specification 4BW welded steel cylinders with electric-arc welded longitudinal seam.
�178.65 Specification 39 non-reusable (non-refillable) cylinders.
�178.68 Specification 4E welded aluminum cylinders.
�178.69 Responsibilities and requirements for manufacturers of UN pressure receptacles.
�178.70 Approval of UN pressure receptacles.
�178.71 Specifications for UN pressure receptacles.
�178.75 Specifications for MEGCs.
Appendix A to Subpart C of Part 178�Illustrations: Cylinder tensile sample