Allied Controls, Inc. · Electronic Components
MHX4178
Relay, Electromagnetic
Part NumberMHX4178
ManufacturerAllied Controls, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-081-7488 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Environmental ProtectionHERMETIC
Duty TypeCONTINUOUS
Overall Width1.180 INCHES NOMINAL
Mounting Facility PatternTRIANGLE SINGLE MOUNTING FACILITY
Main Contact Maximum Voltage Ratin29.0 DC
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Overall Length1.430 INCHES NOMINAL
Nominal Thread Size0.138 INCHES SINGLE MOUNTING FACILITY
Coil Quantity1
Main Contact Load Current Rating A5.0 AMPERES DC RESISTIVE LOAD
Mounting Facility Type And Quantit3 THREADED STUD(S) SINGLE MOUNTING FACILITY
Cancelled NSN5945-00-990-6619 (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 MHX4178 available?
We can source MHX4178 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 MHX4178 by Allied Controls, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MHX4178 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 MHX4178?
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 MHX4178?
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.