Naval Inventory Control Point Mechanicsburg · Electronic Components
4208B
Relay, Electromagnetic
Part Number4208B
ManufacturerNaval Inventory Control Point Mechanicsburg
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-644-7521 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Thread Class2A SINGLE MOUNTING FACILITY
Overall Height1.620 INCHES NOMINAL
Nonpile Up Main Contact Arrangemen2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Main Contact Maximum Voltage Ratin115.0 AC
Overall Width1.750 INCHES NOMINAL
Winding Quantity1
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Center To Center Distance Between1.625 INCHES NOMINAL SINGLE MOUNTING FACILITY
Mounting Facility Type And Quantit2 THREADED STUD(S) SINGLE MOUNTING FACILITY
Terminal Type And Quantity8 PIN ALL FUNCTIONS
Coil Quantity1
Vendor Part NumbersA7961-2, 644-7521, HACS-2-2C-1200
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 4208B available?
We can source 4208B 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 4208B by Naval Inventory Control Point Mechanicsburg obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4208B 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 4208B?
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 4208B?
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.