DLA Weapons Support (Columbus) · Electronic Components
LO3139
Switch, Rotary
Part NumberLO3139
ManufacturerDLA Weapons Support (Columbus)
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-121-7866 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Nominal Thread Size0.375 INCHES SINGLE MOUNTING FACILITY
Terminal TypeTAB, SOLDER LUG
Contact Voltage Rating In Volts115.0 AC AT SEA LEVEL
Contact Load Current Rating1.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
Contact Switching ActionMAKES BEFORE BREAKS FOURTH SECTION REAR
Pole Quantity3 EACH SECTION FRONT
Mounting MethodTHREADED BUSHING SINGLE MOUNTING FACILITY
Switch Actuator Stop Device TypeFIXED STOP SINGLE ACTUATOR
Switch Actuator Indexing Position4 SINGLE ACTUATOR
Overall Diameter1.170 INCHES NOMINAL
Nonturn Device Radius0.375 INCHES NOMINAL AT 3:00 OCLOCK
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 LO3139 available?
We can source LO3139 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 LO3139 by DLA Weapons Support (Columbus) obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If LO3139 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 LO3139?
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 LO3139?
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.