DRS Naval Power Systems · Electronic Components
6938ED8-21B3
Relay, Electromagnetic
Part Number6938ED8-21B3
ManufacturerDRS Naval Power Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-171-0205 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Thread Class2A SINGLE MOUNTING FACILITY
Coil Quantity1
Center To Center Distance Between4.500 INCHES NOMINAL SINGLE MOUNTING FACILITY
Thread Series DesignatorUNEF SINGLE MOUNTING FACILITY
Terminal Type And Quantity6 TAB, SOLDER LUG CONTACTS
Mounting Facility PatternDIAGONAL SINGLE MOUNTING FACILITY
Overall Height13.000 INCHES NOMINAL
Mounting Facility Type And Quantit2 THREADED STUD(S) SINGLE MOUNTING FACILITY
Overall Width7.500 INCHES NOMINAL
Operating Voltage Rating And Type230.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
Nonpile Up Main Contact Arrangemen1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION AND 2 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
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 6938ED8-21B3 available?
We can source 6938ED8-21B3 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 6938ED8-21B3 by DRS Naval Power Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 6938ED8-21B3 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 6938ED8-21B3?
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 6938ED8-21B3?
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.