Electro Switch Corp. · Electronic Components
77303LD
Switch, Rotary
Part Number77303LD
ManufacturerElectro Switch Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-139-2657 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Throw Quantity4 EACH SECTION REAR
Overall Diameter2.000 INCHES NOMINAL
Terminal TypeTAB W/SCREW
Knob Manufacturer Code82121
Nonturn Device TypeFLATTED BUSHING AT 12:00 OCLOCK
Thread Series DesignatorUNS SINGLE MOUNTING FACILITY
Thread Length0.469 INCHES NOMINAL SINGLE MOUNTING FACILITY
Nominal Thread Size0.469 INCHES SINGLE MOUNTING FACILITY
Thread Quantity Per Inch32 SINGLE MOUNTING FACILITY
Switch Actuator Positioning Increm45.0 DEGREES SINGLE ACTUATOR
Knob Manufacturer Part NumberD
Vendor Part NumbersS201-010-0001
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 77303LD available?
We can source 77303LD 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 77303LD by Electro Switch Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 77303LD 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 77303LD?
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 77303LD?
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.