Raytheon Company · Electronic Components
721899-178
Switch, Rotary
Part Number721899-178
ManufacturerRaytheon Company
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-590-2211 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Contact Switching ActionMAKES BEFORE BREAKS EACH SECTION REAR
Terminal TypeTAB, SOLDER LUG
Contact Voltage Rating In Volts28.0 DC AT SEA LEVEL
Switch Actuator Positioning Increm60.0 DEGREES SINGLE ACTUATOR
Style DesignatorCIRCULAR WAFER, BUSHING MOUNT
Contact Load Current Rating2.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL
Shaft Diameter0.250 INCHES NOMINAL SINGLE ACTUATOR
Shaft TypeROUND SINGLE ACTUATOR
Mounting MethodTHREADED BUSHING WITH PANEL SEAL SINGLE MOUNTING FACILITY
Shaft Length0.625 INCHES NOMINAL SINGLE ACTUATOR
Nominal Thread Size0.375 INCHES SINGLE MOUNTING FACILITY
Vendor Part Numbers82027-H4C, 182027-H4C
Cancelled NSN5930-00-755-3071 (cancelled)
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 721899-178 available?
We can source 721899-178 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 721899-178 by Raytheon Company obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 721899-178 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 721899-178?
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 721899-178?
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.