Northrop Grumman Systems Corporation · Electronic Components
021-000559
Relay, Electromagnetic
Part Number021-000559
ManufacturerNorthrop Grumman Systems Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-848-7145 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Overall Width0.780 INCHES NOMINAL
Terminal Type And Quantity8 PIN ALL FUNCTIONS
Winding Dc Resistance Rating150.0 OHMS NOMINAL SINGLE WINDING
Features ProvidedPOLARIZED
Center To Center Distance Between1.078 INCHES NOMINAL SINGLE MOUNTING FACILITY
Main Contact Load Current Rating A2.0 AMPERES DC RESISTIVE LOAD
Winding Quantity1
Main Contact Maximum Voltage Ratin26.5 DC
Nominal Operating Current Rating A30.0 MILLIAMPERES DC SINGLE WINDING
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Environmental ProtectionHERMETIC
Vendor Part NumbersWKYX283
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 021-000559 available?
We can source 021-000559 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 021-000559 by Northrop Grumman Systems Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 021-000559 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 021-000559?
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 021-000559?
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.