Teledyne Defense Electronics · Electronic Components
421-3103
Relay, Electromagnetic
Part Number421-3103
ManufacturerTeledyne Defense Electronics
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-004-0133 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Time Delay0.002 SECONDS MAXIMUM FIXED OPERATE AND RELEASE TIME
Duty TypeCONTINUOUS
Operating Voltage Rating And Type6.0 VOLTS DC 25 DEG CELSIUS ALL WINDINGS
Terminal Type And Quantity7 PIN ALL FUNCTIONS
Nonpile Up Main Contact Arrangemen1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Mounting Facility Type And Quantit1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY
Features ProvidedPOLARIZED AND LATCHING CONTACTS
Main Contact Maximum Voltage Ratin28.0 DC
Main Contact Load Current Rating A1.0 AMPERES DC RESISTIVE LOAD
Winding Quantity2
Overall Length0.280 INCHES MAXIMUM
Vendor Part Numbers950064-4
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 421-3103 available?
We can source 421-3103 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 421-3103 by Teledyne Defense Electronics obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 421-3103 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 421-3103?
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 421-3103?
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.