Honeywell · Electronic Components
BZ-R31
Basic / Snap Action / Limit Switches Large Basic Switch
Part NumberBZ-R31
ManufacturerHoneywell
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-258-5289 (NSN)
Federal Item NameSWITCH,SENSITIVE
Terminals3 SCREW
Mounting MethodUNTHREADED HOLE(S)
Overall Length1.940 INCHES NOMINAL
Overall Width0.687 INCHES NOMINAL
Overall Height1.005 INCHES NOMINAL
Body StyleHOLE MOUNTED
Precious Material LocationCONTACTS SILVER
Nonpile Up Contact Arrangement1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY SINGLE SWITCH UNIT
Actuator Movement0.030 PRETRAVEL INCHES MAXIMUM AND 0.005 OVERTRAVEL INCHES MINIMUM AND 0.005 DIFFERENTIAL INCHES MAXIMUM
Center To Center Distance Between1.000 INCHES NOMINAL
Federal Supply Class5930 — Switches
Actuator StyleROUND
Actuator Height0.055 INCHES NOMINAL
Body Length1.940 INCHES NOMINAL
Maximum Voltage Rating In Volts460.0 AC
Cancelled NSN5930-00-584-3424 (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 BZ-R31 available?
We can source BZ-R31 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 BZ-R31 by Honeywell obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If BZ-R31 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 BZ-R31?
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 BZ-R31?
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.