Mk fr 311-90344
No other part numbers with same form, fit, and function found.
A straight, hollow product, welded or seamless, of round, square, or any other cross section and continuous periphery, which does not conform in cross sectional dimensions to recognized pipe standards, or those in tables 1 through 10, appendix c, fiig a004a. It is designed to convey fluids, gasses, and/or semisolids. It may be rolled into coils for ease in handling. For items designed to join a tube or tube fitting to another tube, pipe, or hose or fitting, see adapter (as modified); coupling (as modified); or nipple (as modified). Excludes tube, bent (as modified); pipe, metallic; spacer, sleeve; metal bar (hollow); and items with fittings, except end protectors.
NSN 6110-00-620-6430
NSN 5910-00-776-9527
NSN 5975-01-385-3287
NSN 6130-00-732-4258
NSN 5920-01-099-0539
NSN 6220-00-552-0667
NSN 5910-01-025-6987
NSN 5998-01-204-4654
NSN 5945-01-481-9061
NSN 6105-01-630-2239
NSN 6645-00-175-8156
NSN 6620-01-305-0412