4720-01-121-6715 (249-06-5)
4720-01-121-6715 is equivalent to manufacture part number 249-06-5. It is a air breathing air duct hose and is classified under Federal Supply Class 4720 (4720 - Hose and Flexible Tubing), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 4720 - Hose and Flexible Tubing and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.