Elkay Mfg Co Water Cooler Div · Electronic Components
8121
Relay, Electromagnetic
Part Number8121
ManufacturerElkay Mfg Co Water Cooler Div
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-189-2094 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Operating Voltage Rating And Type230.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
Overall Height1.000 INCHES MAXIMUM
Terminal Type And Quantity4 PIN ALL FUNCTIONS
Winding Quantity1
Overall Length1.500 INCHES NOMINAL
Mounting Facility Type And Quantit2 THREADED HOLE(S) SINGLE MOUNTING FACILITY
Frequency In Hertz60.0 NOMINAL
Overall Width1.015 INCHES NOMINAL
Main Contact Maximum Voltage Ratin230.0 AC
Coil Quantity1
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Vendor Part Numbers51-08121-55, 9660-041-155
Cancelled NSN5945-00-568-2865 (cancelled)
Tube TypePENTODE
Nondefinitive Spec Std Data8121 TYPE
End TypeEXTERNAL THREAD SECOND END
Surface TreatmentCADMIUM OR ZINC
Furnished ItemsLOCKNUT
Item Accommodated Trade Size0.500 INCHES FIRST END
Hazardous Locations EnvironmentalCEMENT TIGHT
Style DesignatorSTRAIGHT
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 8121 available?
We can source 8121 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 8121 by Elkay Mfg Co Water Cooler Div obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 8121 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 8121?
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 8121?
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.