Square D · Electronic Components
ZB5AK1333
Selector Switch Actuator
Part NumberZB5AK1333
ManufacturerSquare D
AvailabilityAvailable to order — request a quote
Specifications
NSN5355-01-559-0990 (NSN)
Federal Item NameKNOB
MaterialPLASTIC
Style DesignatorROUND WITH BAR FACE
ColorGREEN
Outside Diameter1.120 INCHES NOMINAL
Attachment MethodPUSH-ON
Overall Thickness1.670 INCHES NOMINAL
Federal Supply Class5355 — Knobs And Pointers
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 ZB5AK1333 available?
We can source ZB5AK1333 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 ZB5AK1333 by Square D obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If ZB5AK1333 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 ZB5AK1333?
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 ZB5AK1333?
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.