NAVAIR/NAVSEA Design Activity · Electronic Components
57A146B3
Relay, Electromagnetic
Part Number57A146B3
ManufacturerNAVAIR/NAVSEA Design Activity
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-729-1790 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Center To Center Distance Between0.500 INCHES NOMINAL SINGLE MOUNTING FACILITY
Duty TypeCONTINUOUS
Environmental ProtectionHERMETIC
Storage TypeGENERAL PURPOSE WAREHOUSE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Terminal Type And Quantity8 WIRE HOOK ALL FUNCTIONS
Main Contact Maximum Voltage Ratin115.0 AC AND 28.0 DC
Overall Height1.921 INCHES MAXIMUM
Coil Quantity1
Purpose For Which DesignedGENERAL
Winding Quantity1
Vendor Part Numbers5409-18HS
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 57A146B3 available?
We can source 57A146B3 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 57A146B3 by NAVAIR/NAVSEA Design Activity obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 57A146B3 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 57A146B3?
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 57A146B3?
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.