Omntec Manufacturing · Electronic Components
0M-4A-28DC
Relay, Electromagnetic
Part Number0M-4A-28DC
ManufacturerOmntec Manufacturing
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-809-7161 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Nominal Thread Size0.112 INCHES SINGLE MOUNTING FACILITY
Winding Dc Resistance Rating300.0 OHMS NOMINAL SINGLE WINDING
Coil Quantity1
Main Contact Load Current Rating A2.0 AMPERES AC AND 35.0 AMPERES DC RESISTIVE LOAD
Mounting Facility Type And Quantit2 THREADED HOLE(S) SINGLE MOUNTING FACILITY
Mounting Facility PatternDIAGONAL SINGLE MOUNTING FACILITY
Features ProvidedPOLARIZED
Main Contact Maximum Voltage Ratin115.0 AC AND 26.5 DC
Center To Center Distance Between0.391 INCHES NOMINAL SINGLE MOUNTING FACILITY
Terminal Type And Quantity10 PIN ALL FUNCTIONS
Overall Width1.000 INCHES NOMINAL
Cancelled NSN5945-00-061-6007 (cancelled)
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 0M-4A-28DC available?
We can source 0M-4A-28DC 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 0M-4A-28DC by Omntec Manufacturing obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 0M-4A-28DC 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 0M-4A-28DC?
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 0M-4A-28DC?
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.