Pollak Joseph · Electronic Components
51-302
Switch, Rotary
Part Number51-302
ManufacturerPollak Joseph
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-173-7788 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Switch Contact Basic DesignNONPILE-UP NONSYMMETRICAL
Features ProvidedACTUATOR KNOB
Shaft Length0.780 INCHES NOMINAL SINGLE ACTUATOR
Thread Length0.780 INCHES NOMINAL SINGLE MOUNTING FACILITY
Thread Class2A SINGLE MOUNTING FACILITY
Overall Diameter2.620 INCHES NOMINAL
Switch Actuator Indexing Position2 SINGLE ACTUATOR
Mounting MethodTHREADED BUSHING WITH PANEL SEAL SINGLE MOUNTING FACILITY
Overall Length4.160 INCHES NOMINAL
Nominal Thread Size0.750 INCHES SINGLE MOUNTING FACILITY
Terminal TypeTHREADED STUD
Cancelled NSN5930-01-348-9789 (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 51-302 available?
We can source 51-302 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 51-302 by Pollak Joseph obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 51-302 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 51-302?
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 51-302?
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.