Dresser, LLC · Electronic Components
490777
Switch, Rotary
Part Number490777
ManufacturerDresser, LLC
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-826-2287 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Switch Actuator Positioning Increm30.0 DEGREES SINGLE ACTUATOR
Distance Between Mounting Facility2.310 INCHES NOMINAL SINGLE MOUNTING FACILITY
Features ProvidedACTUATOR KNOB AND LEGEND PLATE
Mounting MethodTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Individual Section Quantity2
Switch Actuator Indexing Position4 SINGLE ACTUATOR
Mounting Facility PatternTWO POSITION IN-LINE SINGLE MOUNTING FACILITY
Terminal TypeTHREADED STUD
Vendor Part Numbers505A701G01
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 490777 available?
We can source 490777 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 490777 by Dresser, LLC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 490777 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 490777?
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 490777?
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.