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Naval Air Warfare Center Aircraft Division, Lakehurst  · Electronic Components

521616-1

Relay, Electromagnetic

Part Number521616-1
ManufacturerNaval Air Warfare Center Aircraft Division, Lakehurst
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Mounting Facility Type And Quantit4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Center To Center Distance Between2.094 INCHES MINIMUM AND 2.156 INCHES MAXIMUM SINGLE MOUNTING FACILITY
Nonpile Up Main Contact Arrangemen1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION AND 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
Winding Quantity1
Unthreaded Mounting Hole Diameter0.188 INCHES MINIMUM AND 0.250 INCHES MAXIMUM SINGLE MOUNTING FACILITY
Overall Height4.031 INCHES MINIMUM AND 4.094 INCHES MAXIMUM
Storage TypeGENERAL PURPOSE WAREHOUSE
Operating Voltage Rating And Type120.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
Arc Quenching MethodAIR
Coil Quantity1
Cubic Measure44.517 CUBIC INCHES
Cancelled NSN5945-00-881-5381 (cancelled)
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Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant

Frequently asked

Is 521616-1 available?
We can source 521616-1 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 521616-1 by Naval Air Warfare Center Aircraft Division, Lakehurst obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 521616-1 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 521616-1?
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 521616-1?
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.