Lockheed Martin · Electronic Components
C139-1
Switch, Toggle
Part NumberC139-1
ManufacturerLockheed Martin
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-122-4783 (NSN)
Federal Item NameSWITCH,TOGGLE
Federal Supply Class5930 — Switches
Inclosure TypeFULLY INCLOSED
Nonpile Up Contact Arrangement2 POLE, DOUBLE THROW, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT
Thread Series DesignatorUNS
Contact Load Current Rating At Max7.000 AMPERES RESISTIVE DC AND 2.500 AMPERES INDUCTIVE DC
Nominal Thread Size0.469 INCHES
Actuator Position Action RelationsCENTER POSITION MAINTAINED AND LEFT POSITION MAINTAINED AND RIGHT POSITION MAINTAINED
Mounting MethodTHREADED BUSHING
Actuator Height1.600 INCHES NOMINAL
Thread Quantity Per Inch32
Maximum Voltage Rating In Volts28.0 DC
Hazardous Locations EnvironmentalDUSTPROOF
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 C139-1 available?
We can source C139-1 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 C139-1 by Lockheed Martin obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If C139-1 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 C139-1?
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 C139-1?
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.