Textron Inc. · Electronic Components
74543
Relay, Electromagnetic
Part Number74543
ManufacturerTextron Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-341-3885 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Operating Voltage Rating And Type115.0 VOLTS DC 25 DEG CELSIUS ALL WINDINGS
Coil Quantity2
Mounting Facility Type And Quantit4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Frequency In Hertz60.0 NOMINAL
Mounting Facility PatternRECTANGULAR SINGLE MOUNTING FACILITY
Terminal Type And Quantity2 TAB, SOLDER LUG ALL FUNCTIONS
Duty TypeCONTINUOUS
Winding Quantity1
Unthreaded Mounting Hole Diameter0.156 INCHES NOMINAL SINGLE MOUNTING FACILITY
Overall Height1.500 INCHES NOMINAL
Overall Width1.250 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 74543 available?
We can source 74543 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 74543 by Textron Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 74543 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 74543?
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 74543?
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.