Electroswitch · Electronic Components
666244-254
Relay, Rotary
Part Number666244-254
ManufacturerElectroswitch
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-840-7055 (NSN)
Federal Item NameRELAY,ROTARY
Federal Supply Class5945 — Relays and Solenoids
Overall Length3.978 INCHES NOMINAL
Structural DesignSECTIONAL
Mounting ConfigurationFOUR 0.166 IN. DIA MTG HOLES ON 1.500 IN. BY 1.500 IN. MTG CENTERS
Coil Winding Quantity1
Winding CharacteristicSINGLE WOUND UNTAPPED
Coil Dc Resistance8.02 OHMS NOMINAL
Contact Maximum Voltage Rating In28.0
Overall Width1.880 INCHES NOMINAL
Coil Terminal Quantity2
Overall Height1.880 INCHES NOMINAL
Section Quantity7
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 666244-254 available?
We can source 666244-254 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 666244-254 by Electroswitch obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 666244-254 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 666244-254?
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 666244-254?
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.