Te Connectivity Corporation · Electronic Components
251X
Relay, Electromagnetic
Part Number251X
ManufacturerTe Connectivity Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-01-185-6021 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Frequency In Hertz60.0 NOMINAL
Thread Quantity Per Inch32 SINGLE MOUNTING FACILITY
Overall Length3.500 INCHES MAXIMUM
Cubic Measure27.562 CUBIC INCHES
Storage TypeGENERAL PURPOSE WAREHOUSE
Mounting Facility PatternRECTANGULAR SINGLE MOUNTING FACILITY
Nominal Thread Size0.164 INCHES SINGLE MOUNTING FACILITY
Arc Quenching MethodAIR
Fragility FactorMODERATELY RUGGED
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Operating Voltage Rating And Type120.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
Cancelled NSN5945-01-227-6346 (cancelled)
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 251X available?
We can source 251X 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 251X by Te Connectivity Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 251X 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 251X?
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 251X?
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.