MIL-SPEC · Electronic Components
3SR2B1
Switch, Rotary
Part Number3SR2B1
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-296-4324 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Knob Manufacturer Code10001
Switch Actuator Indexing Position4 SINGLE ACTUATOR
Switch Actuator Positioning Increm90.0 DEGREES SINGLE ACTUATOR
Knob Manufacturer Part Number9-S-5403-L PIECE 9
Mounting Facility Circle Radius3.219 INCHES NOMINAL SINGLE MOUNTING FACILITY
Shaft TypeROUND, FLATTED SINGLE ACTUATOR
Nominal Thread Size0.250 INCHES SINGLE MOUNTING FACILITY
Individual Section Quantity4
Features ProvidedACTUATOR KNOB
Mounting Facility PatternFOUR POSITION CIRCULAR SINGLE MOUNTING FACILITY
Flat Height0.312 INCHES NOMINAL SINGLE ACTUATOR
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 3SR2B1 available?
We can source 3SR2B1 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 3SR2B1 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 3SR2B1 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 3SR2B1?
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 3SR2B1?
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.