Astm-a-519 type 4140
A straight, hollow product, welded or seamless, of round, square, or any other cross section and continuous periphery, which does not conform in cross sectional dimensions to recognized pipe standards, or those in tables 1 through 10, appendix c, fiig a004a. It is designed to convey fluids, gasses, and/or semisolids. It may be rolled into coils for ease in handling. For items designed to join a tube or tube fitting to another tube, pipe, or hose or fitting, see adapter (as modified); coupling (as modified); or nipple (as modified). Excludes tube, bent (as modified); pipe, metallic; spacer, sleeve; metal bar (hollow); and items with fittings, except end protectors.
Classification: Other tubes, pipes and hollow profiles, seamless, circular cross-section, iron or nonalloy steel, cold-drawn or cold-rolled
NSN 6130-01-231-8344
NSN 5835-00-153-4100
NSN 5835-01-645-2892
NSN 6320-00-242-3300
NSN 5920-01-432-2743
NSN 6240-01-604-9172
NSN 6240-01-213-4905
NSN 6220-01-506-8787
NSN 6150-00-197-8431
NSN 6645-00-904-2754
NSN 6145-00-553-8196
NSN 5930-00-252-4133