DRS Naval Power Systems · Electronic Components
KFB431B
Relay, Rotary
Part NumberKFB431B
ManufacturerDRS Naval Power Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-01-063-8180 (NSN)
Federal Item NameRELAY,ROTARY
Federal Supply Class5945 — Relays and Solenoids
Overall Height1.750 INCHES NOMINAL
Contact Arrangement4PDT
Contact Terminal Quantity12
Contact Current Rating At Maximum2.0 AMPERES RESISTIVE
Structural DesignNONPILE-UP
Contact Current TypeAC AND DC
Dc Operating Voltage Rating In Vol120.0 NOMINAL
Contact Maximum Voltage Rating In120.0
Coil Dc Resistance6.5 KILOHMS NOMINAL
Contact Voltage Rating At Maximum30.0
Winding CharacteristicSINGLE WOUND UNTAPPED
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 KFB431B available?
We can source KFB431B 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 KFB431B by DRS Naval Power Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If KFB431B 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 KFB431B?
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 KFB431B?
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.