Boeing · Electronic Components
ST5M1551-001
Relay, Electromagnetic
Part NumberST5M1551-001
ManufacturerBoeing
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-01-126-8209 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Coil Quantity2
Main Contact Maximum Voltage Ratin115.0 AC AND 28.0 DC
Main Contact Load Current Rating A300.0 MILLIAMPERES AC AND 2.0 AMPERES DC RESISTIVE LOAD
Operating Voltage Rating And Type115.0 VOLTS AC 25 DEG CELSIUS ALL WINDINGS
Time Delay0.01 SECONDS MAXIMUM FIXED OPERATE AND RELEASE TIME
Overall Width1.310 INCHES NOMINAL
Frequency In Hertz400.0 NOMINAL
Winding Quantity2
Terminal Type And Quantity1 CONNECTOR, RECEPTACLE ALL FUNCTIONS
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Center To Center Distance Between1.620 INCHES NOMINAL SINGLE MOUNTING FACILITY
Vendor Part Numbers6215-1, AE144-007-99
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 ST5M1551-001 available?
We can source ST5M1551-001 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 ST5M1551-001 by Boeing obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If ST5M1551-001 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 ST5M1551-001?
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 ST5M1551-001?
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.