Honeywell · Electronic Components
4AC55
Basic / Snap Action / Limit Switches 5 A @ 250 VAC Steel Rod Actuator
Part Number4AC55
ManufacturerHoneywell
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-772-2886 (NSN)
Federal Item NameSWITCH,PUSH-PULL
Terminals6 SCREW
Nominal Thread Size0.138 INCHES
Maximum Voltage Rating In Volts250.0 AC
Thread Class2A
Contact Load Current Rating At Max15.000 AMPERES RESISTIVE AC
Nonpile Up Contact Arrangement2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY SINGLE SWITCH UNIT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Inclosure TypeFULLY INCLOSED
Thread Quantity Per Inch32
Federal Supply Class5930 — Switches
Terminal Type And Quantity6 SCREW
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 4AC55 available?
We can source 4AC55 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 4AC55 by Honeywell obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4AC55 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 4AC55?
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 4AC55?
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.