Omntec Manufacturing · Electronic Components
SM420A
Relay, Electromagnetic
Part NumberSM420A
ManufacturerOmntec Manufacturing
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-577-2923 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Nominal Thread Size0.138 INCHES SINGLE MOUNTING FACILITY
Winding Quantity1
Terminal Type And Quantity14 PIN ALL FUNCTIONS
Coil Quantity1
Mounting Facility PatternTRIANGLE SINGLE MOUNTING FACILITY
Environmental ProtectionHERMETIC
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Overall Height1.430 INCHES NOMINAL
Nominal Operating Current Rating A10.0 MILLIAMPERES DC SINGLE WINDING
Overall Length2.510 INCHES NOMINAL
Pile Up Main Contact Form Arrangem4A AND 2B
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 SM420A available?
We can source SM420A 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 SM420A by Omntec Manufacturing obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SM420A 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 SM420A?
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 SM420A?
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.