MIL-SPEC · Electronic Components
3SR3B3A
Switch, Rotary
Part Number3SR3B3A
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-258-5469 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Overall Height4.375 INCHES NOMINAL
Overall Width4.125 INCHES NOMINAL
Overall Length5.875 INCHES NOMINAL
Knob Manufacturer Part Number9000S6202-73050-3
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
Knob Manufacturer Code80064
Mounting Facility PatternTWO POSITION IN-LINE SINGLE MOUNTING FACILITY
Style DesignatorTAP, CIRCUIT SELECTOR
Switch Actuator Positioning Increm90.0 DEGREES SINGLE ACTUATOR
Contact Switching ActionBREAKS BEFORE MAKES EACH SECTION REAR
Nondefinitive Spec Std Data3SR CLASS
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 3SR3B3A available?
We can source 3SR3B3A 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 3SR3B3A by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 3SR3B3A 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 3SR3B3A?
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 3SR3B3A?
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.