Mcmaster-Carr Supply Co · Electronic Components
74505K77
Fuse, Cartridge
Part Number74505K77
ManufacturerMcmaster-Carr Supply Co
AvailabilityAvailable to order — request a quote
Specifications
NSN5920-01-534-7042 (NSN)
Federal Item NameFUSE,CARTRIDGE
Federal Supply Class5920 — Fuses and Lightning Arresters
Maximum Voltage Rating In Volts600.0 AC
Body StyleTUBE TYPE
Overall Diameter0.406 INCHES NOMINAL
Overall Length1.500 INCHES NOMINAL
ESD/EMICode A — ESD/EMI sensitive item
RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is 74505K77 available?
We can source 74505K77 even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is 74505K77 by Mcmaster-Carr Supply Co obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 74505K77 has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like 74505K77?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for 74505K77?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.