Northrop Grumman Systems Corporation · Electronic Components
144621
Arrester, Electrical Surge
Part Number144621
ManufacturerNorthrop Grumman Systems Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5920-01-034-6742 (NSN)
Federal Item NameARRESTER,ELECTRICAL SURGE
Federal Supply Class5920 — Fuses and Lightning Arresters
Overall Height1.438 INCHES NOMINAL
Terminal TypeSTUD W/NUT
Terminal Quantity2
Arrester TypeSELENIUM
Mounting MethodTHREADED HOLE(S)
Usage DesignINDOOR AND OUTDOOR
Overall Width1.500 INCHES NOMINAL
Mounting ConfigurationTWO 0.138-32 IN. DIA HOLES SPACED 1.630 IN. C TO C ALONG LENGTH AND 1.132 IN. C TO C ALONG WIDTH
Overall Length2.630 INCHES NOMINAL
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 144621 available?
We can source 144621 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 144621 by Northrop Grumman Systems Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 144621 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 144621?
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 144621?
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.