Keystone Electronics · Electronic Components
3240
Mounting Hardware SHOULDER WASHER
Part Number3240
ManufacturerKeystone Electronics
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-665-9891 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Overall Length2.500 INCHES NOMINAL
Thread Class2A SINGLE MOUNTING FACILITY
Nominal Thread Size0.190 INCHES SINGLE MOUNTING FACILITY
Operating Voltage Rating And Type50.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Duty TypeCONTINUOUS
Overall Diameter1.180 INCHES NOMINAL
Thread Series DesignatorUNF SINGLE MOUNTING FACILITY
Terminal Type And Quantity4 PIN ALL FUNCTIONS
Main Contact Maximum Voltage Ratin30.0 DC
Overall Height2.620 INCHES NOMINAL
Main Contact Load Current Rating A75.0 AMPERES DC RESISTIVE LOAD
Reliability IndicatorNOT ESTABLISHED
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO CORE SINGLE COMPONENT
Winding Operating Voltage0.99 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Thread Quantity Per Inch40 SINGLE GROUP
Distance Between Mounting Facility0.593 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Winding Function And Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Body Length1.093 INCHES NOMINAL
Body Height1.187 INCHES NOMINAL
Body Width1.031 INCHES NOMINAL
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 3240 available?
We can source 3240 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 3240 by Keystone Electronics obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 3240 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 3240?
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 3240?
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.