Setra Systems · Electronic Components
31857
Switch, Flow
Part Number31857
ManufacturerSetra Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-299-6314 (NSN)
Federal Item NameSWITCH,FLOW
Federal Supply Class5930 — Switches
Thread Series DesignatorNPT SINGLE THREADED BUSHING
Precious Material And LocationCONTACT SURFACES SILVER
Contact Stimulus Rating1.50 DEACTUATION POINT NOMINAL GALLONS PER MINUTE
Contact Load Current Rating500.0 MILLIAMPERES INDUCTIVE LOAD SECOND VOLTAGE
Terminal TypeWIRE LEAD
Overall Length3.281 INCHES NOMINAL
Precious MaterialSILVER
Overall Width1.781 INCHES NOMINAL
Media For Which DesignedLIQUID
Operating Temp Rating250.0 FAHRENHEIT MAXIMUM
Contact AdjustabilityDEACTUATION POINT NOT ADJUSTABLE
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 31857 available?
We can source 31857 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 31857 by Setra Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 31857 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 31857?
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 31857?
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.