Se Relays LLC (Magnecraft) · Electronic Components
R40
Relay, Electromagnetic
Part NumberR40
ManufacturerSe Relays LLC (Magnecraft)
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-227-7008 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Duty TypeCONTINUOUS
Main Contact Maximum Voltage Ratin30.0 AC AND 30.0 DC
Overall Length1.625 INCHES NOMINAL
Thread Class2B SINGLE MOUNTING FACILITY
Mounting Facility Type And Quantit4 THREADED HOLE(S) SINGLE MOUNTING FACILITY
Center To Center Distance Between0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY
Overall Width0.750 INCHES NOMINAL
Overall Height1.562 INCHES NOMINAL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Nominal Thread Size0.112 INCHES SINGLE MOUNTING FACILITY
Terminal Type And Quantity8 PIN ALL FUNCTIONS
Terminal TypeCLIP, FAHNESTOCK TOP
Overall Diameter2.500 INCHES NOMINAL
ShapeCYLINDRICAL
Voltage In Volts1.5
Terminal Quantity2
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 R40 available?
We can source R40 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 R40 by Se Relays LLC (Magnecraft) obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If R40 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 R40?
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 R40?
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.