Eaton Aerospace LLC · Electronic Components
21490
Solenoid, Electrical
Part Number21490
ManufacturerEaton Aerospace LLC
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-168-7853 (NSN)
Federal Item NameSOLENOID,ELECTRICAL
Federal Supply Class5945 — Relays and Solenoids
Terminal LocationEND OPPOSITE ACTUATOR
Mounting Facility Type And Quantit1 THREADED BUSHING
Connector Manufacturer Part Number172-310SL-4P2
Connector Manufacturer Code81349
Magnetic Coil Quantity1
Duty TypeCONTINUOUS
Body Diameter1.625 INCHES NOMINAL
Nominal Thread Size0.875 INCHES MOUNTING FACILITY BUSHING
Terminal Type And Quantity1 CONNECTOR, RECEPTACLE
Power Takeoff Connection TypePLAIN
Thread Series DesignatorUNEF MOUNTING FACILITY BUSHING
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 21490 available?
We can source 21490 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 21490 by Eaton Aerospace LLC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 21490 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 21490?
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 21490?
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.