Fluke Corp. · Electronic Components
644-8028
Switch, Rotary
Part Number644-8028
ManufacturerFluke Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-261-7999 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Shaft Length0.813 INCHES NOMINAL SINGLE ACTUATOR
Overall Diameter1.250 INCHES NOMINAL
Terminal TypePRINTED CIRCUIT
Switch Actuator Positioning Increm30.0 DEGREES SINGLE ACTUATOR
Nominal Thread Size0.375 INCHES SINGLE MOUNTING FACILITY
Thread Class2A SINGLE MOUNTING FACILITY
Contact Switching ActionBREAKS BEFORE MAKES SINGLE SECTION FRONT
Style DesignatorCIRCULAR WAFER, BUSHING MOUNT
Features ProvidedMETALLIC ENCLOSURE
Mounting MethodTHREADED BUSHING SINGLE MOUNTING FACILITY
Thread Series DesignatorUNEF SINGLE MOUNTING FACILITY
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 644-8028 available?
We can source 644-8028 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 644-8028 by Fluke Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 644-8028 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 644-8028?
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 644-8028?
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.