Littelfuse · Electronic Components
313.040
Fuse, Cartridge
Part Number313.040
ManufacturerLittelfuse
AvailabilityAvailable to order — request a quote
Specifications
NSN5920-01-190-6424 (NSN)
Federal Item NameFUSE,CARTRIDGE
Federal Supply Class5920 — Fuses and Lightning Arresters
Continuous Current Rating In Amps0.0400.040
Surface TreatmentNICKEL TERMINAL
Overall Length1.250 INCHES NOMINAL1.250 INCHES NOMINAL
MaterialCOPPER TERMINAL
Maximum Voltage Rating In Volts250.0 AC AND 250.0 AC AND 250.0 DC250.0 DC
Interruption Indicator MethodVISIBLE ELEMENTVISIBLE ELEMENT
Overall Diameter0.250 INCHES NOMINAL0.250 INCHES NOMINAL
Circuit Over Current InterruptionTIME DELAYTIME DELAY
Features ProvidedNONRENEWABLE FUSIBLE ELEMENTNONRENEWABLE FUSIBLE ELEMENT
Body StyleTUBE TYPETUBE TYPE
Vendor Part Numbers989C134H01
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 313.040 available?
We can source 313.040 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 313.040 by Littelfuse obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 313.040 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 313.040?
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 313.040?
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.