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Ultra Pcs  · Electronic Components

1220YMK301A

Switch, Rotary

Part Number1220YMK301A
ManufacturerUltra Pcs
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Longest Vertical Distance Between2.875 INCHES NOMINAL SINGLE MOUNTING FACILITY
Longest Horizontal Distance Betwee2.875 INCHES NOMINAL SINGLE MOUNTING FACILITY
Operating Temp Range-40.0 TO 120.0 CELSIUS
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Contact Voltage Rating In Volts28.0 DC AT SEA LEVEL
Contact Load Current Rating0.5 AMPERES INDUCTIVE LOAD DC AT SEA LEVEL
Mounting Facility PatternFOUR POSITION RECTANGULAR SINGLE MOUNTING FACILITY
Hazardous Locations EnvironmentalDUSTPROOF
Overall Width3.500 INCHES NOMINAL
Overall Height3.830 INCHES NOMINAL
Overall Length6.315 INCHES NOMINAL
Cancelled NSN5930-01-186-3887 (cancelled)
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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

Frequently asked

Is 1220YMK301A available?
We can source 1220YMK301A 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 1220YMK301A by Ultra Pcs obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1220YMK301A 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 1220YMK301A?
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 1220YMK301A?
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.