Lockheed Martin Corp. · Electronic Components
740603-103
Switch, Rotary
Part Number740603-103
ManufacturerLockheed Martin Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-401-6729 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Contact Load Current Rating1.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL
Switch Actuator Stop Device TypeFIXED STOP SINGLE ACTUATOR
Thread Series DesignatorUNEF SINGLE MOUNTING FACILITY
Pole Quantity1 EACH SECTION FRONT
Operating Temp Range-54.0 TO 71.0 CELSIUS
Thread Length0.457 INCHES MAXIMUM SINGLE MOUNTING FACILITY
Contact Voltage Rating In Volts28.0 DC AT SEA LEVEL
Mounting MethodTHREADED BUSHING SINGLE MOUNTING FACILITY
Nominal Thread Size0.375 INCHES SINGLE MOUNTING FACILITY
Terminal TypeTAB, SOLDER LUG
Switch Actuator Positioning Increm36.0 DEGREES SINGLE ACTUATOR
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 740603-103 available?
We can source 740603-103 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 740603-103 by Lockheed Martin Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 740603-103 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 740603-103?
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 740603-103?
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.