Janco Corporation · Electronic Components
2891-1
Switch, Code Indicating Wheel
Part Number2891-1
ManufacturerJanco Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-084-9869 (NSN)
Federal Item NameSWITCH,CODE INDICATING WHEEL
Federal Supply Class5930 — Switches
Distance Between Mounting Facility1.427 INCHES MINIMUM AND 1.427 INCHES MINIMUM AND 1.447 INCHES MAXIMUM SINGLE MOUNTING FACILITY1.447 INCHES MAXIMUM SI
Overall Length0.410 INCHES MAXIMUM0.410 INCHES MAXIMUM
Thread Quantity Per Inch56 SINGLE MOUNTING FACILITY56 SINGLE MOUNTING FACILITY
Individual Section Quantity11
Contact Voltage Rating In Volts115.0 AC AT SEA LEVEL115.0 AC AT SEA LEVEL
Cubic Measure1.181 CUBIC INCHES1.181 CUBIC INCHES
Features ProvidedPUSH TO TURNPUSH TO TURN
Mounting MethodFLANGE AND FLANGE AND THREADED HOLE(S) SINGLE MOUNTING FACILITYTHREADED HOLE(S) SINGLE MOUNTING FACILITY
ColorBLACK SINGLE INDICATOR BACKGROUNDBLACK SINGLE INDICATOR BACKGROUND
Actuator TypePUSH BUTTON SECOND ACTUATORPUSH BUTTON SECOND ACTUATOR
Terminal TypePRINTED CIRCUITPRINTED CIRCUIT
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 2891-1 available?
We can source 2891-1 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 2891-1 by Janco Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 2891-1 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 2891-1?
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 2891-1?
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.