Northrop Grumman Systems · Electronic Components
578R040H11
Relay, Electromagnetic
Part Number578R040H11
ManufacturerNorthrop Grumman Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-044-5764 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Unthreaded Mounting Hole Diameter0.096 INCHES NOMINAL SINGLE MOUNTING FACILITY
Environmental ProtectionHERMETIC
Main Contact Load Current Rating A2.0 AMPERES AC AND 1.0 AMPERES DC RESISTIVE LOAD
Main Contact Maximum Voltage Ratin115.0 AC AND 28.0 DC
Overall Width0.395 INCHES NOMINAL
Overall Height1.057 INCHES NOMINAL
Time Delay0.006 SECONDS MAXIMUM FIXED OPERATE AND RELEASE TIME
Coil Quantity1
Duty TypeCONTINUOUS
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Winding Dc Resistance Rating78.0 OHMS NOMINAL SINGLE WINDING
Vendor Part NumbersERWKJX367, BRSJ8BL3P6A1
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 578R040H11 available?
We can source 578R040H11 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 578R040H11 by Northrop Grumman Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 578R040H11 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 578R040H11?
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 578R040H11?
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.