Grayhill Inc. · Electronic Components
42YY23437
Switch, Rotary
Part Number42YY23437
ManufacturerGrayhill Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-433-7090 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Individual Section Quantity4
Thread Length0.437 INCHES NOMINAL SINGLE MOUNTING FACILITY
Thread Series DesignatorUNEF SINGLE MOUNTING FACILITY
Overall Diameter1.150 INCHES MAXIMUM
Nonturn Device TypeSLOTTED BUSHING AT 3:00 OCLOCK
Contact Voltage Rating In Volts28.0 DC AT SEA LEVEL
Terminal TypeTAB, SOLDER LUG
Pole Quantity1 EACH SECTION FRONT
Hazardous Locations EnvironmentalEXPLOSION PROOF
Switch Actuator Positioning Increm36.0 DEGREES SINGLE ACTUATOR
Contact Load Current Rating5.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
Vendor Part Numbers28-1906-9, 740510-109
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 42YY23437 available?
We can source 42YY23437 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 42YY23437 by Grayhill Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 42YY23437 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 42YY23437?
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 42YY23437?
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.