Raytheon Company · Electronic Components
721845-20
Switch, Rotary
Part Number721845-20
ManufacturerRaytheon Company
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-009-2945 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Shaft TypeROUND, FLATTED SINGLE ACTUATOR
Contact Voltage Rating In Volts110.0 AC AT SEA LEVEL
Pole Quantity1 SECOND SECTION REAR
Shaft Flat Slot Angular Location315.0 DEGREES FROM NONTURN DEVICE SINGLE ACTUATOR
Operating Temp Range-65.0 TO 85.0 CELSIUS
Thread Class2A SINGLE MOUNTING FACILITY
Style DesignatorCIRCULAR WAFER, BUSHING MOUNT
Overall Height1.030 INCHES MAXIMUM
Overall Length3.970 INCHES MAXIMUM
Flat Height0.211 INCHES MINIMUM AND 0.221 INCHES MAXIMUM SINGLE ACTUATOR
Nominal Thread Size0.375 INCHES SINGLE MOUNTING FACILITY
Vendor Part Numbers5-27951-771, 37001-121SM-5, D1G0510N-4014
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 721845-20 available?
We can source 721845-20 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 721845-20 by Raytheon Company obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 721845-20 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 721845-20?
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 721845-20?
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.