Setra Systems, Inc. · Electronic Components
123581
Switch, Liquid Level
Part Number123581
ManufacturerSetra Systems, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-249-2748 (NSN)
Federal Item NameSWITCH,LIQUID LEVEL
Federal Supply Class5930 — Switches
Tank Insertion Length23.000 INCHES NOMINAL
Float And Contact PositionsFLOAT UP, CONTACTS CLOSED AND FLOAT DOWN, CONTACTS OPEN
Mounting PositionVERTICAL
Contact ArrangementSINGLE POLE,SINGLE THROW
Float Quantity1
Electrical Connection TypeCABLE
Actuation MethodBUOYANCY
Mounting MethodTHREAD
Operating Temp Rating0.0 FAHRENHEIT MINIMUM AND 300.0 FAHRENHEIT MAXIMUM
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 123581 available?
We can source 123581 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 123581 by Setra Systems, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 123581 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 123581?
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 123581?
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.