Leach International Corp. · Electronic Components
KC-D4B
Relay, Electromagnetic
Part NumberKC-D4B
ManufacturerLeach International Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-01-304-1900 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Winding Quantity1
Overall Height1.000 INCHES NOMINAL
Terminal Type And Quantity9 PIN ALL FUNCTIONS
Main Contact Maximum Voltage Ratin115.0 AC AND 28.0 DC
Storage TypeGENERAL PURPOSE WAREHOUSE
Coil Quantity1
Precious Material And LocationTERMINALS GOLD
Cubic Measure1.030 CUBIC INCHES
Mounting Facility Type And Quantit3 SLOTTED HOLE SECOND MOUNTING FACILITY
Precious MaterialGOLD
Fragility FactorMODERATELY RUGGED
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 KC-D4B available?
We can source KC-D4B 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 KC-D4B by Leach International Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If KC-D4B 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 KC-D4B?
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 KC-D4B?
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.