Northrop Grumman Systems Corporation · Electronic Components
128C393H03
Relay, Electromagnetic
Part Number128C393H03
ManufacturerNorthrop Grumman Systems Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-078-6003 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Terminal Type And Quantity7 SOLDER STUD ALL FUNCTIONS
Winding Dc Resistance Rating15.0 OHMS NOMINAL SINGLE WINDING
Duty TypeCONTINUOUS
Main Contact Maximum Voltage Ratin26.5 DC
Mounting Facility Type And Quantit7 TERMINAL SINGLE MOUNTING FACILITY
Nominal Operating Current Rating A30.0 AMPERES DC SINGLE WINDING
Operating Voltage Rating And Type18.0 VOLTS DC 125 DEG CELSIUS SINGLE WINDING
Main Contact Load Current Rating A30.0 AMPERES DC RESISTIVE LOAD
Overall Length5.500 INCHES MAXIMUM
Winding Quantity1
Overall Diameter3.250 INCHES NOMINAL
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 128C393H03 available?
We can source 128C393H03 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 128C393H03 by Northrop Grumman Systems Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 128C393H03 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 128C393H03?
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 128C393H03?
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.