Honeywell Inc. Residential Div · Electronic Components
L498B
Switch, Thermostatic
Part NumberL498B
ManufacturerHoneywell Inc. Residential Div
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-262-9230 (NSN)
Federal Item NameSWITCH,THERMOSTATIC
Federal Supply Class5930 — Switches
Overall Length13.500 INCHES NOMINAL
Shortest Horizontal Distance Betwe1.000 INCHES NOMINAL
Temp Sensing Element TypeSPRING
Contact AdjustabilityDEACTUATION POINT ADJUSTABLE AND ACTUATION POINT ADJUSTABLE
Contact Voltage Rating In Volts120.0 AC AT SEA LEVEL SECOND VOLTAGE
Contact Load Current Rating8.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE
Contact Adjustment TypeEXTERNAL DEACTUATION POINT POINTER WITH SCALE AND EXTERNAL ACTUATION POINT POINTER WITH SCALE
Style DesignatorRECTANGULAR
Frequency In Hertz60.0 FIRST VOLTAGE
Media For Which DesignedGAS
Contact Adjustment Range+70.00 TO 160.00 ACTUATION POINT DEGREES FAHRENHEIT AND +50.00 TO 200.00 DEACTUATION POINT DEGREES FAHRENHEIT
Vendor Part Numbers5D51-78, L4064B1451, CNT01100
Cancelled NSN6685-00-151-4987 (cancelled)
ESD/EMICode A — ESD/EMI sensitive item
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 L498B available?
We can source L498B 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 L498B by Honeywell Inc. Residential Div obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If L498B 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 L498B?
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 L498B?
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.