6515-01-705-4974 (N8056)
6515-01-705-4974 is equivalent to manufacture part number 1639522. It is a tracheostomy tube and is classified under Federal Supply Class 6515 (6515 - Medical and Surgical Instruments and Supplies), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 6515 - Medical and Surgical Instruments and Supplies and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.