Radiodetection, LLC · Electronic Components
GT4890
Relay, Thermal
Part NumberGT4890
ManufacturerRadiodetection, LLC
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-880-3991 (NSN)
Federal Item NameRELAY,THERMAL
Federal Supply Class5945 — Relays and Solenoids
Overall Length2.380 INCHES NOMINAL
Contact Maximum Voltage Rating In250.0 AC AND 32.0 DC
Overall Width1.380 INCHES NOMINAL
Heater Voltage Rating In Volts115.0
Environmental ProtectionHERMETIC
Mounting Facility Type And Quantit2 UNTHREADED HOLE(S)
Heater Power Rating In Watts4.0
Contact Maximum Current Rating In3.0 AC OR 1.0 DC
Overall Height1.000 INCHES NOMINAL
Delay Time In Seconds180.0 FIXED OPERATE NOMINAL
Contact ArrangementSINGLE POLE, SINGLE THROW, NORMALLY OPEN
Vendor Part Numbers3128-35-3
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 GT4890 available?
We can source GT4890 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 GT4890 by Radiodetection, LLC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If GT4890 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 GT4890?
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 GT4890?
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.