Littelfuse · Electronic Components
313-031
Fuse, Cartridge
Part Number313-031
ManufacturerLittelfuse
AvailabilityAvailable to order — request a quote
Specifications
NSN5920-00-997-9548 (NSN)
Federal Item NameFUSE,CARTRIDGE
Federal Supply Class5920 — Fuses and Lightning Arresters
Body StyleTUBE TYPE
Surface TreatmentSILVER TERMINAL
Continuous Current Rating In Amps0.031
Circuit Over Current InterruptionTIME DELAY
Maximum Voltage Rating In Volts125.0 AC AND 125.0 DC
MaterialCOPPER TERMINAL
Overall Diameter0.250 INCHES NOMINAL
Overall Length1.250 INCHES NOMINAL
Interruption Indicator MethodVISIBLE ELEMENT
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Vendor Part Numbers5N4811-101-08
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 313-031 available?
We can source 313-031 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 313-031 by Littelfuse obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 313-031 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 313-031?
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 313-031?
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.