Northrop Grumman Systems · Electronic Components
021-002128-003
Relay, Electromagnetic
Part Number021-002128-003
ManufacturerNorthrop Grumman Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-01-310-9310 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Winding Quantity1
MaterialSILVER CONTACT
Mounting Facility Type And Quantit4 SLOTTED HOLE SINGLE MOUNTING FACILITY
Cubic Measure27.810 CUBIC INCHES
Duty TypeCONTINUOUS
Frequency In Hertz50.0 MINIMUM AND 60.0 MAXIMUM
Precious MaterialSILVER
Main Contact Load Current Rating A25.0 AMPERES AC RESISTIVE LOAD
Mounting Slot Width0.100 INCHES MINIMUM AND 0.105 INCHES MAXIMUM SINGLE MOUNTING FACILITY
Nonpile Up Main Contact Arrangemen3 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Operating Voltage Rating And Type120.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
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 021-002128-003 available?
We can source 021-002128-003 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 021-002128-003 by Northrop Grumman Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 021-002128-003 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 021-002128-003?
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 021-002128-003?
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.