Electro Switch Corp. · Electronic Components
8259B
Switch, Rotary
Part Number8259B
ManufacturerElectro Switch Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-259-8268 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Overall Width2.188 INCHES NOMINAL
Contact Switching ActionBREAKS BEFORE MAKES EACH SECTION FRONT
Style DesignatorCIRCULAR WAFER, BUSHING MOUNT
Overall Height2.750 INCHES NOMINAL
Overall Length3.562 INCHES NOMINAL
First Flat Length0.438 INCHES NOMINAL SINGLE ACTUATOR
Pole Quantity1 EACH SECTION REAR
Flat Height0.216 INCHES MINIMUM AND 0.218 INCHES MAXIMUM SINGLE ACTUATOR
Throw Quantity1 EACH SECTION REAR
Switch Actuator Positioning Increm90.0 DEGREES SINGLE ACTUATOR
Shaft Length0.812 INCHES NOMINAL SINGLE ACTUATOR
Vendor Part Numbers811421, 9S5401LTYPEBBB
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 8259B available?
We can source 8259B 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 8259B by Electro Switch Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 8259B 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 8259B?
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 8259B?
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.