Rockwell Collins · Electronic Components
401-0004-120
Relay, Electromagnetic
Part Number401-0004-120
ManufacturerRockwell Collins
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-01-128-6709 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Unthreaded Mounting Hole Diameter0.178 INCHES NOMINAL SECOND MOUNTING FACILITY
Operating Voltage Rating And Type28.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Mounting Facility Type And Quantit2 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY
Overall Height3.437 INCHES NOMINAL
Center To Center Distance Between2.000 INCHES NOMINAL SECOND MOUNTING FACILITY
Nonpile Up Main Contact Arrangemen4 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Nonpile Up Auxiliary Contact Arran1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Winding Dc Resistance Rating289.0 OHMS NOMINAL SINGLE WINDING
Terminal Type And Quantity13 SCREW ALL FUNCTIONS
Mounting Facility PatternIN-LINE SECOND MOUNTING FACILITY
Main Contact Maximum Voltage Ratin600.0 AC
Vendor Part NumbersB440JA222941
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 401-0004-120 available?
We can source 401-0004-120 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 401-0004-120 by Rockwell Collins obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 401-0004-120 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 401-0004-120?
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 401-0004-120?
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.