Northrop Grumman Systems · Electronic Components
8478A04H01
Relay, Electromagnetic
Part Number8478A04H01
ManufacturerNorthrop Grumman Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-01-179-0271 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Duty TypeCONTINUOUS
Time Delay0.50 SECONDS MAXIMUM FIXED OPERATE TIME
Thread DirectionRIGHT-HAND SINGLE MOUNTING FACILITY
Winding Quantity1
Thread Quantity Per Inch32 SINGLE MOUNTING FACILITY
Overall Length3.210 INCHES MINIMUM AND 3.250 INCHES MAXIMUM
Nominal Thread Size0.138 INCHES SINGLE MOUNTING FACILITY
Main Contact Load Current Rating A1.0 AMPERES DC INDUCTIVE LOAD
Operating Voltage Rating And Type28.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Mounting Facility PatternRECTANGULAR SINGLE MOUNTING FACILITY
Center To Center Distance Between1.615 INCHES MINIMUM AND 1.635 INCHES MAXIMUM SINGLE MOUNTING FACILITY
Vendor Part Numbers1350-X-2104
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 8478A04H01 available?
We can source 8478A04H01 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 8478A04H01 by Northrop Grumman Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 8478A04H01 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 8478A04H01?
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 8478A04H01?
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.