5340-01-737-4580 (MS20001XP4-7200)
NSN 5340-01-737-4580 (NIIN 01-737-4580) is a butt hinge in Federal Supply Class 5340, Hardware, Commercial — a hinge usually with rectangularly shaped leaves. Manufacturer part number MS20001XP4-7200 (National Aerospace Standards, CAGE 80205).
NIIN assigned February 2026; DEMIL A (none required); ESD/EMI-sensitive.