Northrop Grumman Systems Corporation · Electronic Components
453A491H01
Relay, Electromagnetic
Part Number453A491H01
ManufacturerNorthrop Grumman Systems Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-01-206-0455 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Operating Voltage Rating And Type120.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
Environmental ProtectionDUSTPROOF
Purpose For Which DesignedGENERAL
Nonpile Up Main Contact Arrangemen1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Mounting Facility Type And Quantit1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY
Cubic Measure5.741 CUBIC INCHES
Coil Quantity1
Fragility FactorMODERATELY RUGGED
Storage TypeGENERAL PURPOSE WAREHOUSE
Winding Quantity1
Arc Quenching MethodAIR
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 453A491H01 available?
We can source 453A491H01 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 453A491H01 by Northrop Grumman Systems Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 453A491H01 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 453A491H01?
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 453A491H01?
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.