5920-01-737-3977 (AHCF-30)
NSN 5920-01-737-3977 (NIIN 01-737-3977) is a cartridge fuse in Federal Supply Class 5920, Fuses, Arrestors, Absorbers, And Protectors — a fuse in which the element is inclosed in a cylindrical body. Manufacturer part number AHCF-30 (Cooper Bussmann, LLC, CAGE 71400).
Key specs: 30 continuous current; 500 AC voltage in volts; full characteristics table below. NIIN assigned February 2026; DEMIL A (none required); ESD/EMI-sensitive.