1/4 inch. Standard wght; 1 unit per assembly
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.
NSN 5855-00-149-0766
NSN 5930-01-650-1834
NSN 5960-00-904-0294
NSN 5990-01-346-8782
NSN 6220-00-298-9300
NSN 5855-00-337-3679
NSN 5835-01-566-5462
NSN 5975-01-007-8776
NSN 5930-01-079-3245
NSN 5985-01-516-9069
NSN 6105-00-688-7082
NSN 6240-01-285-0927