Differenitiated by surface treatment and styll type
A straight one-piece metallic pipe 12 inches(304 mm)or less in length having external threads of the same size on both ends. It may have a center section which is externally shaped to accommodate a wrench. For pipe having internal threads 12 inches(304 mm)or less in length see coupling,pipe. For pipe in excess of 12 inches(304 mm)see pipe as modified.
Classification: Other fittings nesoi of iron or nonalloy steel
NSN 6220-00-007-9698
NSN 6320-00-481-7291
NSN 5935-01-180-9710
NSN 6220-01-340-9522
NSN 5855-01-054-9014
NSN 6145-00-174-9344
NSN 5920-00-876-8989
NSN 5996-00-484-9196
NSN 6610-00-053-9565
NSN 4140-01-375-9921
NSN 5975-01-583-6785
NSN 6130-01-378-6294