5440-01-617-8039 (FS1504)
5440-01-617-8039 is equivalent to manufacture part number FS1504. It is a ladder step and is classified under Federal Supply Class 5440 (5440 - Scaffolding and Concrete Forms), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 5440 - Scaffolding and Concrete Forms and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.