Naval Sea Systems Command · Electronic Components
321-7539657 REV A ITEM NO 9
Relay, Electromagnetic
Part Number321-7539657 REV A ITEM NO 9
ManufacturerNaval Sea Systems Command
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-01-497-1056 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Main Contact Maximum Voltage Ratin28.0 DC
Duty TypeCONTINUOUS
Winding Quantity1
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Main Contact Load Current Rating A10.0 AMPERES DC RESISTIVE LOAD
Terminal Type And Quantity14 PIN ALL FUNCTIONS
Coil Quantity1
Mounting Facility Type And Quantit3 SLOTTED HOLE SINGLE MOUNTING FACILITY
Mounting Slot Width3.8 MILLIMETERS NOMINAL SINGLE MOUNTING FACILITY
Nonpile Up Main Contact Arrangemen1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Environmental ProtectionHERMETIC
Vendor Part Numbers321-7539657, T412-AL-1502-C
ESD/EMICode A — ESD/EMI sensitive item
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 321-7539657 REV A ITEM NO 9 available?
We can source 321-7539657 REV A ITEM NO 9 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 321-7539657 REV A ITEM NO 9 by Naval Sea Systems Command obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 321-7539657 REV A ITEM NO 9 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 321-7539657 REV A ITEM NO 9?
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 321-7539657 REV A ITEM NO 9?
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.