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US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SM-B-889911
Arrester, Lightning
Part NumberSM-B-889911
ManufacturerUS Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5920-01-072-0492 (NSN)
Federal Item NameARRESTER,LIGHTNING
Federal Supply Class5920 — Fuses and Lightning Arresters
Breakdown Voltage1.000 KILOVOLTS NOMINAL
Usage DesignINDOOR
Overall Diameter0.500 INCHES NOMINAL
Terminal TypeSOLDER LUG
Arrester TypeCARBON BLOCK
Terminal Quantity1
Mounting MethodSCREW
Mounting ConfigurationSCREW SLOT AT BODY TOP,THREADS 0.437-20 THD UNF-2A,MOUNTED IN HOLDER SM-B-889912
Overall Length0.656 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 SM-B-889911 available?
We can source SM-B-889911 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 SM-B-889911 by US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SM-B-889911 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 SM-B-889911?
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 SM-B-889911?
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.