Littelfuse, Inc. · Electronic Components
FLM012
Fuse, Cartridge
Part NumberFLM012
ManufacturerLittelfuse, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5920-01-320-3953 (NSN)
Federal Item NameFUSE,CARTRIDGE
Federal Supply Class5920 — Fuses and Lightning Arresters
Continuous Current Rating In Amps12.000
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Maximum Voltage Rating In Volts250.0 AC AND 250.0 DC
Overall Diameter0.406 INCHES NOMINAL
MaterialCOPPER ALLOY TERMINAL
Fragility FactorMODERATELY RUGGED
Interruption Indicator MethodOPAQUE BODY
Circuit Over Current Interruption30.0 250 PCT OF CURRENT RATING
Overall Length1.500 INCHES NOMINAL
Surface TreatmentNICKEL TERMINAL
Body StyleTUBE TYPE
Vendor Part NumbersFNW-12
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 FLM012 available?
We can source FLM012 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 FLM012 by Littelfuse, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If FLM012 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 FLM012?
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 FLM012?
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.