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 6610-01-385-1771
NSN 6645-01-324-8185
NSN 5855-01-645-0531
NSN 5945-00-215-6487
NSN 5985-01-341-5350
NSN 5930-01-335-5465
NSN 6105-00-237-6292
NSN 5950-01-616-9588
NSN 5905-01-407-6815
NSN 6685-01-541-3722
NSN 6685-01-602-3572
NSN 5915-01-470-8561