Printed on the tubing is weldrawn 21-6-9.
A straight, one piece metallic pipe in excess of 12 inches (304 mm) in length. It may have external or internal threads or may be unthreaded. For pipe having external threads 12 inches (304 mm) or less in length see nipple,pipe. For pipe having internal threads 12 inches (304 mm) or less in lenght see coupling,pipe.
Classification: Other tubes, pipes and hollow profiles, seamless, circular cross-section, stainless steel, cold-drawn or cold-rolled
NSN 2925-01-568-3705
NSN 4140-00-917-8734
NSN 5998-00-633-5169
NSN 6650-00-532-8125
NSN 5895-00-903-3458
NSN 5915-01-451-4332
NSN 5925-01-174-6558
NSN 5999-01-381-9254
NSN 5835-01-454-5267
NSN 5895-01-238-9683
NSN 5920-01-193-7239
NSN 5960-01-530-0581