Bird-Johnson Propeller · Electronic Components
R-1-18-18
Switch, Thermostatic
Part NumberR-1-18-18
ManufacturerBird-Johnson Propeller
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-272-4169 (NSN)
Federal Item NameSWITCH,THERMOSTATIC
Federal Supply Class5930 — Switches
Mounting Facility PatternTWO POSITION IN-LINE
Body Height3.125 INCHES NOMINAL
Mounting MethodBRACKET(S) AND UNTHREADED HOLE(S)
Distance Between Mounting Facility2.500 INCHES NOMINAL
Temp Sensing Element TypeBULB
Overall Width4.938 INCHES NOMINAL
Overall Length5.120 INCHES NOMINAL
Operating Temp Rating-40.0 FAHRENHEIT MINIMUM AND 160.0 FAHRENHEIT MAXIMUM
Contact Action StimulusINCREASE
Nonpile Up Contact Arrangement1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Unthreaded Mounting Hole Diameter0.250 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 R-1-18-18 available?
We can source R-1-18-18 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 R-1-18-18 by Bird-Johnson Propeller obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If R-1-18-18 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 R-1-18-18?
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 R-1-18-18?
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.