MIL-SPEC · Electronic Components
WF791/2-019
Fuse, Plug — Fuses and Lightning Arresters
Part NumberWF791/2-019
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5920-00-144-2534 (NSN)
Federal Item NameFUSE,PLUG
Federal Supply Class5920 — Fuses and Lightning Arresters
Overall Diameter1.281 INCHES MAXIMUM
Circuit Over Current InterruptionTIME DELAY
Overall Length1.375 INCHES MAXIMUM
Maximum Voltage Rating In Volts125.0 AC AND 125.0 DC
Terminal Length0.750 INCHES MAXIMUM
Continuous Current Rating In Amps4.000
Interruption Indicator MethodVISIBLE ELEMENT
Body StyleEDISON BASE
Surface TreatmentNICKEL TERMINAL
Cancelled NSN5920-00-043-2882 (cancelled)
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 WF791/2-019 available?
We can source WF791/2-019 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 WF791/2-019 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If WF791/2-019 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 WF791/2-019?
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 WF791/2-019?
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.