Boeing Commercial Airplane Co Boeing Co Portland · Electronic Components
RS400-2B12K
Relay, Electromagnetic
Part NumberRS400-2B12K
ManufacturerBoeing Commercial Airplane Co Boeing Co Portland
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-889-1462 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Overall Width1.000 INCHES NOMINAL
Overall Height2.000 INCHES NOMINAL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Operating Voltage Rating And Type24.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Winding Dc Resistance Rating12.0 KILOHMS NOMINAL SINGLE WINDING
Center To Center Distance Between0.982 INCHES NOMINAL SINGLE MOUNTING FACILITY
Environmental ProtectionHERMETIC
Terminal Type And Quantity5 WIRE HOOK ALL FUNCTIONS
Duty TypeCONTINUOUS
Coil Quantity1
Overall Length1.000 INCHES NOMINAL
Cancelled NSN5945-00-602-4312 (cancelled)
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 RS400-2B12K available?
We can source RS400-2B12K 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 RS400-2B12K by Boeing Commercial Airplane Co Boeing Co Portland obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RS400-2B12K 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 RS400-2B12K?
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 RS400-2B12K?
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.