Lockheed Martin · Electronic Components
C10957-4
Switch, Toggle
Part NumberC10957-4
ManufacturerLockheed Martin
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-198-7874 (NSN)
Federal Item NameSWITCH,TOGGLE
Federal Supply Class5930 — Switches
Actuator Height0.310 INCHES MINIMUM AND 0.350 INCHES MAXIMUM
Actuator Position Action RelationsUP POSITION MOMENTARY AND DOWN POSITION MOMENTARY AND CENTER POSITION MAINTAINED AND LEFT POSITION MOMENTARY AND RIGHT P
Actuator StyleROUND, STEPPED
Actuator Diameter0.670 INCHES MINIMUM AND 0.730 INCHES MAXIMUM
Precious Material And LocationTERMINAL SURFACES SILVER
MaterialPLASTIC CASE
Nonpile Up Contact Arrangement1 FOUR THROW, NORMALLY OPEN, MOMENTARY ACTION SINGLE SWITCH UNIT
Inclosure TypeFULLY INCLOSED
Terminal Type And Quantity5 PRINTED CIRCUIT
Mounting Surface To Terminal End D0.720 INCHES MINIMUM AND 0.780 INCHES MAXIMUM
Maximum Voltage Rating In Volts28.0 DC
Vendor Part NumbersT4-0045
Cancelled NSN5930-01-178-2601 (cancelled)
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 C10957-4 available?
We can source C10957-4 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 C10957-4 by Lockheed Martin obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If C10957-4 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 C10957-4?
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 C10957-4?
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.