6515-01-649-9420 (2050-1)
6515-01-649-9420 is equivalent to manufacture part number 2050-1. It is a spirometer mouthpiece 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.