NAVAIR/NAVSEA Design Activity · Electronic Components
2939222-1
Relay, Electromagnetic
Part Number2939222-1
ManufacturerNAVAIR/NAVSEA Design Activity
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-01-166-9787 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Unthreaded Mounting Hole Diameter0.281 INCHES NOMINAL SINGLE MOUNTING FACILITY
Overall Height13.435 INCHES MINIMUM AND 13.685 INCHES MAXIMUM
Time Delay0.03 SECONDS MAXIMUM FIXED OPERATE TIME
Main Contact Maximum Voltage Ratin45000.0 DC
Operating Voltage Rating And Type100.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Nonpile Up Main Contact Arrangemen1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
Mounting Facility PatternRECTANGULAR SINGLE MOUNTING FACILITY
Coil Quantity1
Arc Quenching MethodINERT GAS
Mounting Facility Type And Quantit4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Center To Center Distance Between5.110 INCHES MINIMUM AND 5.140 INCHES MAXIMUM SINGLE MOUNTING FACILITY
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 2939222-1 available?
We can source 2939222-1 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 2939222-1 by NAVAIR/NAVSEA Design Activity obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 2939222-1 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 2939222-1?
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 2939222-1?
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.