Killark Electric Mfg Co · Electronic Components
XS-51C
Switch, Box — Switches
Part NumberXS-51C
ManufacturerKillark Electric Mfg Co
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-111-7369 (NSN)
Federal Item NameSWITCH,BOX
Federal Supply Class5930 — Switches
Body Width3.000 INCHES NOMINAL
Terminal Type And Quantity2 SCREW
Contact Load Current Rating At Max20.000 AMPERES RESISTIVE AC
Body StyleW/ FRONT OPERATOR
Overall Width3.000 INCHES NOMINAL
Actuator StyleCAST/STAMPED
Center To Center Distance Between5.250 INCHES NOMINAL
Maximum Voltage Rating In Volts277.0 AC
Overall Height4.000 INCHES NOMINAL
Nonpile Up Contact Arrangement1 POLE, SINGLE THROW, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT
Body Length4.625 INCHES NOMINAL
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 XS-51C available?
We can source XS-51C 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 XS-51C by Killark Electric Mfg Co obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If XS-51C 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 XS-51C?
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 XS-51C?
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.