Omntec Manufacturing · Electronic Components
51S-1H1T-40A
Relay, Electromagnetic
Part Number51S-1H1T-40A
ManufacturerOmntec Manufacturing
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-681-9444 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Coil Quantity1
Overall Length2.370 INCHES NOMINAL
Winding Dc Resistance Rating2.0 KILOHMS NOMINAL SINGLE WINDING
Terminal Type And Quantity5 PIN ALL FUNCTIONS
Main Contact Maximum Voltage Ratin24.0 DC
Nominal Thread Size0.138 INCHES SINGLE MOUNTING FACILITY
Main Contact Load Current Rating A2.0 AMPERES DC RESISTIVE LOAD
Overall Width1.560 INCHES NOMINAL
Nominal Operating Current Rating A12.0 MILLIAMPERES DC SINGLE WINDING
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Operating Voltage Rating And Type24.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
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 51S-1H1T-40A available?
We can source 51S-1H1T-40A 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 51S-1H1T-40A by Omntec Manufacturing obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 51S-1H1T-40A 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 51S-1H1T-40A?
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 51S-1H1T-40A?
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.