Ams 5645 type 321
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, stainless steel, cold-drawn or cold-rolled
NSN 6145-01-372-5709
NSN 5965-01-527-9330
NSN 6150-00-111-0881
NSN 5910-01-014-6265
NSN 5835-01-571-4083
NSN 5910-00-781-7930
NSN 6685-00-203-4485
NSN 5999-00-589-7849
NSN 5985-00-082-0748
NSN 5910-01-322-0918
NSN 6105-01-424-7570
NSN 6135-01-252-0315