Lockheed Martin · Electronic Components
K5309881
Arrester, Electrical Surge
Part NumberK5309881
ManufacturerLockheed Martin
AvailabilityAvailable to order — request a quote
Specifications
NSN5920-00-281-0194 (NSN)
Federal Item NameARRESTER,ELECTRICAL SURGE
Federal Supply Class5920 — Fuses and Lightning Arresters
Terminal TypeSCREW
Overall Width4.250 INCHES NOMINAL
Terminal Quantity2
Line To Ground Voltage345.000 VOLTS NOMINAL
Mounting MethodHOLE
Arrester TypeRESISTOR
Mounting ConfigurationTWO 0.437 IN. MTG HOLES SPACED 0.875 IN. C TO C
Usage DesignINDOOR AND OUTDOOR
Overall Height9.750 INCHES NOMINAL
Overall Length7.750 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 K5309881 available?
We can source K5309881 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 K5309881 by Lockheed Martin obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If K5309881 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 K5309881?
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 K5309881?
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.