Naval Sea Systems Command · Electronic Components
5493906
Relay, Electromagnetic
Part Number5493906
ManufacturerNaval Sea Systems Command
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-01-503-9103 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Overall Length4.280 INCHES MAXIMUM
Coil Quantity1
Overall Diameter3.650 INCHES MAXIMUM
Winding Quantity1
Environmental ProtectionHERMETIC
Main Contact Load Current Rating A50.0 AMPERES DC RESISTIVE LOAD
Mounting Facility Type And Quantit4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Duty TypeCONTINUOUS
Time Delay0.04 SECONDS NOMINAL FIXED RELEASE TIME
Winding Dc Resistance Rating113.0 OHMS NOMINAL SINGLE WINDING
Operating Voltage Rating And Type28.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Vendor Part NumbersZ-A1A-052
ESD/EMICode A — ESD/EMI sensitive item
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 5493906 available?
We can source 5493906 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 5493906 by Naval Sea Systems Command obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 5493906 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 5493906?
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 5493906?
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.