Dean Technology Inc. · Electronic Components
SD-4374
Arrester, Electrical Surge
Part NumberSD-4374
ManufacturerDean Technology Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5920-01-412-4737 (NSN)
Federal Item NameARRESTER,ELECTRICAL SURGE
Federal Supply Class5920 — Fuses and Lightning Arresters
Overall Length5.000 INCHES MAXIMUM
Overall Height1.500 INCHES NOMINAL
Usage DesignOUTDOOR
Overall Width4.000 INCHES MAXIMUM
Vendor Part NumbersLO4845
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 SD-4374 available?
We can source SD-4374 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 SD-4374 by Dean Technology Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SD-4374 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 SD-4374?
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 SD-4374?
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.