Northrop Grumman Systems Corporation · Electronic Components
577R620H05
Relay, Electromagnetic
Part Number577R620H05
ManufacturerNorthrop Grumman Systems Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-018-2361 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Environmental ProtectionHERMETIC
Mounting Facility PatternTRIANGLE SINGLE MOUNTING FACILITY
Nonpile Up Main Contact Arrangemen1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Operating Voltage Rating And Type28.0 VOLTS DC 25 DEG CELSIUS ALL WINDINGS
Thread Class2A SINGLE MOUNTING FACILITY
Winding Quantity1
Overall Length1.980 INCHES NOMINAL
Time Delay30.00 SECONDS NOMINAL FIXED OPERATE TIME
Main Contact Maximum Voltage Ratin115.0 AC AND 28.0 DC
Overall Height1.290 INCHES NOMINAL
Terminal Type And Quantity5 PIN ALL FUNCTIONS
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 577R620H05 available?
We can source 577R620H05 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 577R620H05 by Northrop Grumman Systems Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 577R620H05 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 577R620H05?
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 577R620H05?
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.