Technical Services Laboratory, Inc. · Electronic Components
SB4561-1
Switch, Rotary
Part NumberSB4561-1
ManufacturerTechnical Services Laboratory, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-037-0933 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Nominal Thread Size0.375 INCHES SINGLE MOUNTING FACILITY
Overall Length1.769 INCHES NOMINAL
Contact Switching ActionMAKES BEFORE BREAKS SINGLE SECTION REAR
Shaft TypeROUND SINGLE ACTUATOR
Shaft Diameter0.250 INCHES NOMINAL SINGLE ACTUATOR
Pole Quantity2 SINGLE SECTION REAR
Switch Actuator Stop Device TypeFIXED STOP SINGLE ACTUATOR
Overall Diameter1.328 INCHES NOMINAL
Nonturn Device Radius0.375 INCHES NOMINAL AT 9:00 OCLOCK
Individual Section Quantity1
Thread Class2A SINGLE MOUNTING FACILITY
Vendor Part Numbers5-15731-409
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 SB4561-1 available?
We can source SB4561-1 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 SB4561-1 by Technical Services Laboratory, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SB4561-1 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 SB4561-1?
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 SB4561-1?
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.