Boeing Commercial Airplane Co Boeing Co Portland · Electronic Components
RS502-2B1-9K
Relay, Electromagnetic
Part NumberRS502-2B1-9K
ManufacturerBoeing Commercial Airplane Co Boeing Co Portland
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-686-9062 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Environmental ProtectionHERMETIC
Overall Diameter1.810 INCHES NOMINAL
Operating Voltage Rating And Type26.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Main Contact Maximum Voltage Ratin300.0 DC
Winding Quantity1
Nominal Operating Current Rating A13.0 MILLIAMPERES DC SINGLE WINDING
Main Contact Load Current Rating A1.0 MILLIAMPERES DC RESISTIVE LOAD
Winding Dc Resistance Rating1.9 KILOHMS NOMINAL SINGLE WINDING
Mounting Facility Type And Quantit3 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Unthreaded Mounting Hole Diameter0.140 INCHES NOMINAL SINGLE MOUNTING FACILITY
Nonpile Up Main Contact Arrangemen1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Vendor Part Numbers719099-29, 719099-029
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 RS502-2B1-9K available?
We can source RS502-2B1-9K 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 RS502-2B1-9K by Boeing Commercial Airplane Co Boeing Co Portland obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RS502-2B1-9K 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 RS502-2B1-9K?
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 RS502-2B1-9K?
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.