4720-01-368-7907 (4-253-020-002-0)
4720-01-368-7907 is equivalent to manufacture part number 253-20. It is a air inner tube 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.