Electro Switch Corp. · Electronic Components
1SR3B1
Switch, Rotary
Part Number1SR3B1
ManufacturerElectro Switch Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-548-3528 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Knob Manufacturer Code96169
Flat Height0.218 INCHES NOMINAL SINGLE ACTUATOR
Shaft Length1.625 INCHES NOMINAL SINGLE ACTUATOR
Knob Manufacturer Part Number3075-26
Switch Actuator Indexing Position4 SINGLE ACTUATOR
Individual Section Quantity6
Contact Voltage Rating In Volts125.0 AC AT SEA LEVEL
Switch Actuator Positioning Increm90.0 DEGREES SINGLE ACTUATOR
Shaft TypeROUND, FLATTED SINGLE ACTUATOR
First Flat Length0.375 INCHES NOMINAL SINGLE ACTUATOR
Contact Switching ActionBREAKS BEFORE MAKES EACH SECTION FRONT
Vendor Part Numbers404-22PC50, 73751-20X1PC50, 3675-16REVAPC15, T1-6204-1286109PC15, K1-6201-1002063PC15, T1-6204-1286109REVBPC15
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 1SR3B1 available?
We can source 1SR3B1 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 1SR3B1 by Electro Switch Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1SR3B1 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 1SR3B1?
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 1SR3B1?
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.