Rockwell Collins · Electronic Components
408-1221-290
Relay, Electromagnetic
Part Number408-1221-290
ManufacturerRockwell Collins
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-01-166-2859 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Duty TypeCONTINUOUS
Coil Quantity1
Overall Height0.400 INCHES MAXIMUM
Time Delay0.01 SECONDS MAXIMUM FIXED OPERATE AND RELEASE TIME
Mounting Facility Type And Quantit2 SLOTTED HOLE SINGLE MOUNTING FACILITY
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Terminal Type And Quantity8 WIRE HOOK ALL FUNCTIONS
Nominal Operating Current Rating A13.0 MILLIAMPERES DC SINGLE WINDING
Main Contact Maximum Voltage Ratin115.0 AC AND 28.0 DC
Nonpile Up Main Contact Arrangemen2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Main Contact Load Current Rating A1.0 AMPERES AC AND 2.0 AMPERES DC RESISTIVE LOAD
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 408-1221-290 available?
We can source 408-1221-290 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 408-1221-290 by Rockwell Collins obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 408-1221-290 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 408-1221-290?
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 408-1221-290?
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.