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 5975-00-407-4206
NSN 6135-01-528-2830
NSN 5895-00-310-4575
NSN 5965-01-190-5073
NSN 5905-00-111-3618
NSN 2925-00-096-5526
NSN 4140-01-311-8596
NSN 5950-01-361-9862
NSN 5950-00-850-6996
NSN 5950-01-393-0192
NSN 6320-00-578-6898
NSN 6620-00-531-6466