DRS Naval Power Systems · Electronic Components
S121-0174
Relay, Electromagnetic
Part NumberS121-0174
ManufacturerDRS Naval Power Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-392-6434 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Terminal Type And Quantity6 STANDARD TUBE BASE CONTACTS
Winding Dc Resistance Rating450.0 OHMS NOMINAL SINGLE WINDING
Duty TypeCONTINUOUS
Main Contact Load Current Rating A10.0 AMPERES AC RESISTIVE LOAD
Main Contact Maximum Voltage Ratin115.0 AC
Nominal Operating Current Rating A71.0 MILLIAMPERES DC SINGLE WINDING
Nonpile Up Main Contact Arrangemen2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Operating Voltage Rating And Type32.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Mounting Facility Type And Quantit1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY
Winding Quantity1
Overall Height2.187 INCHES NOMINAL
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 S121-0174 available?
We can source S121-0174 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 S121-0174 by DRS Naval Power Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If S121-0174 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 S121-0174?
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 S121-0174?
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.