Boeing · Electronic Components
ST5M1243-2116-1
Relay, Electromagnetic
Part NumberST5M1243-2116-1
ManufacturerBoeing
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-01-262-3855 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Mounting Facility Type And Quantit16 TERMINAL SINGLE MOUNTING FACILITY
Nonpile Up Main Contact Arrangemen2 POLE, DOUBLE THROW, TWO POSITIONS MOMENTARY
Main Contact Load Current Rating A10.0 AMPERES AC AND 10.0 AMPERES DC RESISTIVE LOAD
Time Delay16.00 SECONDS NOMINAL FIXED RELEASE TIME
Main Contact Maximum Voltage Ratin115.0 AC AND 28.0 DC
Overall Width1.265 INCHES NOMINAL
Winding Quantity1
Operating Voltage Rating And Type28.0 VOLTS DC 25 DEG CELSIUS ALL WINDINGS
Coil Quantity1
Terminal Type And Quantity16 PIN ALL FUNCTIONS
Overall Length3.030 INCHES 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 ST5M1243-2116-1 available?
We can source ST5M1243-2116-1 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 ST5M1243-2116-1 by Boeing obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If ST5M1243-2116-1 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 ST5M1243-2116-1?
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 ST5M1243-2116-1?
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.