Honeywell · Integrated Circuits
1LS19
Basic / Snap Action / Limit Switches .51Nm 4.5inlb mx 10A 1NC 1NO SPDT Snap
Part Number1LS19
ManufacturerHoneywell
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-421-2695 (NSN)
Federal Item NameSWITCH,SENSITIVE
Terminals4 SCREW
Body StyleHOLE MOUNTED
Nominal Thread Size0.250 INCHES
Nonpile Up Contact Arrangement1 TWO CIRCUIT, DOUBLE BREAK/DOUBLE MAKE, ONE POSITION MOMENTARY SINGLE SWITCH UNIT
Body Height3.375 INCHES NOMINAL
Thread Series DesignatorUNS
Actuator StyleROLLER ARM
Body Length1.570 INCHES NOMINAL
Center To Center Distance Between2.310 INCHES NOMINAL
Maximum Voltage Rating In Volts480.0 AC
Federal Supply Class5930 — Switches
Terminal Type And Quantity4 SCREW
Body Width1.130 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 1LS19 available?
We can source 1LS19 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 1LS19 by Honeywell obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1LS19 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 1LS19?
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 1LS19?
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.