Kearfott Corporation · Electronic Components
B503700001
Relay, Electromagnetic
Part NumberB503700001
ManufacturerKearfott Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-413-1217 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Terminal Type And Quantity8 PIN ALL FUNCTIONS
Mounting Facility Type And Quantit4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Environmental ProtectionHERMETIC
Winding Quantity1
Main Contact Load Current Rating A5.0 AMPERES AC AND 5.0 AMPERES DC RESISTIVE LOAD
Unthreaded Mounting Hole Diameter0.173 INCHES NOMINAL SINGLE MOUNTING FACILITY
Nonpile Up Main Contact Arrangemen2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Coil Quantity1
Main Contact Maximum Voltage Ratin115.0 AC AND 28.0 DC
Overall Length3.000 INCHES NOMINAL
Center To Center Distance Between2.500 INCHES NOMINAL SINGLE MOUNTING FACILITY
Vendor Part Numbers2033-16
Cancelled NSN5945-00-915-1119 (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 B503700001 available?
We can source B503700001 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 B503700001 by Kearfott Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If B503700001 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 B503700001?
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 B503700001?
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.