Allied Controls, Inc. · Electronic Components
SPX37
Relay, Electromagnetic
Part NumberSPX37
ManufacturerAllied Controls, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-665-8560 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Nominal Thread Size0.112 INCHES SINGLE MOUNTING FACILITY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Center To Center Distance Between0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY
Overall Height1.500 INCHES NOMINAL
Thread Class2B SINGLE MOUNTING FACILITY
Winding Quantity1
Nominal Operating Current Rating A180.0 MILLIAMPERES DC SINGLE WINDING
Overall Width1.000 INCHES NOMINAL
Duty TypeINTERMITTENT
Coil Quantity1
Mounting Facility PatternTRIANGLE SINGLE MOUNTING FACILITY
Vendor Part NumbersL218331-1
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 SPX37 available?
We can source SPX37 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 SPX37 by Allied Controls, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SPX37 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 SPX37?
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 SPX37?
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.