Lockheed Martin · Electronic Components
740603-109
Switch, Rotary
Part Number740603-109
ManufacturerLockheed Martin
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-934-3117 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Nonturn Device TypeSLOTTED BUSHING AT 3:00 OCLOCK
Pole Quantity2 SINGLE SECTION FRONT
Nominal Thread Size0.375 INCHES SINGLE MOUNTING FACILITY
Shaft Length0.917 INCHES MINIMUM AND 0.957 INCHES MAXIMUM SINGLE ACTUATOR
Switch Actuator Stop Device TypeFIXED STOP SINGLE ACTUATOR
Contact Voltage Rating In Volts115.0 AC AT SEA LEVEL
Nonturn Device Radius0.432 INCHES NOMINAL AT 3:00 OCLOCK
Terminal TypeTAB, SOLDER LUG
Switch Actuator Indexing Position3 SINGLE ACTUATOR
Overall Length1.917 INCHES MINIMUM AND 1.957 INCHES MAXIMUM
Flat Height0.204 INCHES MINIMUM AND 0.224 INCHES MAXIMUM SINGLE ACTUATOR
Vendor Part Numbers47-1944-9
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 740603-109 available?
We can source 740603-109 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 740603-109 by Lockheed Martin obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 740603-109 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 740603-109?
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 740603-109?
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.