3.250 inch tube on plain end is smaller, od 0.380 to 0.400
An item of varying tubular shapes molded or extruded from nonmetallic material. it includes flat form plastic tubing designed to be expanded for use and rubber tubing designed to be fabricated into sealing and/or cushioning devices. excludes hose, nonmetallic and tube (as modified).
Classification: Tubes, pipes & hoses, not reinforced or otherwise combined with other materials, w/o fittings, nesoi
NSN 5905-01-134-8717
NSN 5915-00-189-1706
NSN 6150-00-382-6018
NSN 7035-01-210-0493
NSN 5960-01-167-8796
NSN 6620-00-202-5122
NSN 6105-01-512-6029
NSN 5930-00-821-5560
NSN 6685-00-540-9017
NSN 5920-00-436-7753
NSN 5930-00-614-1749
NSN 5998-01-344-5834