Instruments and Flight Research · Electronic Components
6-3-90C
Relay, Thermal
Part Number6-3-90C
ManufacturerInstruments and Flight Research
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-557-1955 (NSN)
Federal Item NameRELAY,THERMAL
Federal Supply Class5945 — Relays and Solenoids
Heater Power Rating In Watts3.9
Terminal Type And Quantity8 PIN
Contact ArrangementSINGLE POLE, DOUBLE THROW
Environmental ProtectionHERMETIC
Mounting Facility Type And Quantit1 PLUG-IN
Overall Diameter0.750 INCHES NOMINAL
Heater Voltage Rating In Volts6.3
Overall Length2.500 INCHES NOMINAL
Contact Maximum Voltage Rating In230.0 AC
Contact Maximum Current Rating In3.0 AC
Delay Time In Seconds90.0 FIXED OPERATE 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 6-3-90C available?
We can source 6-3-90C 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 6-3-90C by Instruments and Flight Research obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 6-3-90C 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 6-3-90C?
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 6-3-90C?
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.