Setra Systems, Inc. · Electronic Components
01901
Switch, Liquid Level
Part Number01901
ManufacturerSetra Systems, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-054-2903 (NSN)
Federal Item NameSWITCH,LIQUID LEVEL
Federal Supply Class5930 — Switches
Ac Voltage Rating120.0 VOLTS NOMINAL SECOND ALTERNATE OPERATING POWER RQMT
Maximum Current Rating0.3 AMPERES NOMINAL LOAD
Float Quantity1
Dc Voltage Rating0.0 VOLTS MINIMUM AND 50.0 VOLTS MAXIMUM FIRST ALTERNATE OPERATING POWER RQMT
Operating Temp Rating0.0 FAHRENHEIT MINIMUM AND 230.0 FAHRENHEIT MAXIMUM
Liquid Type For Which DesignedLUBRICANT, OIL AND WATER
Mounting DimensionsONE 1/4 IN. NPT EXTERNALLY THREADED CONNECTOR
Mounting MethodTHREAD
Overall Diameter1.875 INCHES NOMINAL
Actuation MethodBUOYANCY
Contact ArrangementSINGLE POLE,SINGLE THROW,NORMALLY OPEN
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 01901 available?
We can source 01901 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 01901 by Setra Systems, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 01901 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 01901?
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 01901?
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.