Viking Technologies, Ltd.. · Electronic Components
40028
Relay, Electromagnetic
Part Number40028
ManufacturerViking Technologies, Ltd..
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-901-9280 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Fragility FactorMODERATELY RUGGED
Center To Center Distance Between0.488 INCHES NOMINAL SINGLE MOUNTING FACILITY
Thread Quantity Per Inch40 SINGLE MOUNTING FACILITY
Thread Class2A SINGLE MOUNTING FACILITY
Winding Quantity1
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Mounting Facility PatternDIAGONAL SINGLE MOUNTING FACILITY
Winding Dc Resistance Rating1.0 KILOHMS NOMINAL SINGLE WINDING
Main Contact Load Current Rating A3.0 AMPERES AC AND 3.0 AMPERES DC RESISTIVE LOAD
Nominal Operating Current Rating A9.5 MILLIAMPERES DC SINGLE WINDING
Overall Length1.378 INCHES NOMINAL
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 40028 available?
We can source 40028 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 40028 by Viking Technologies, Ltd.. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 40028 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 40028?
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 40028?
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.