5440-00-514-4490 (RR-S-720)
NSN 5440-00-514-4490 (NIIN 00-514-4490) is a stepladder in Federal Supply Class 5440, Scaffolding Equipment And Concrete Forms. Manufacturer part number RR-S-720.
NIIN assigned January 1963; DEMIL A (none required). Supersedes 5440-00-540-6826 (1972), 5440-00-634-8901 (1968).