Automatic Switch Company · Electronic Components
SD31D
Switch, Pressure
Part NumberSD31D
ManufacturerAutomatic Switch Company
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-167-4741 (NSN)
Federal Item NameSWITCH,PRESSURE
Federal Supply Class5930 — Switches
Proof Pressure50.00 POUNDS PER SQUARE INCH GAGE
Contact Action StimulusINCREASE
Features ProvidedELECTRICAL ACCESS PORT
Terminal TypeWIRE LEAD
Contact Stimulus Rating1.20 DIFFERENTIAL POINT NOMINAL INCHES OF MERCURY
Contact AdjustabilityDEACTUATION POINT NOT ADJUSTABLE, MANUAL RESET AND ACTUATION POINT ADJUSTABLE
Mounting MethodBASE AND SLOT
Contact Adjustment TypeEXTERNAL ACTUATION POINT HEX NUT WITH SCALE
Media For Which DesignedGAS OR LIQUID
Contact Adjustment Range+0.00 TO 30.00 ACTUATION POINT INCHES OF MERCURY
Hazardous Locations EnvironmentalWATERTIGHT
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 SD31D available?
We can source SD31D 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 SD31D by Automatic Switch Company obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SD31D 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 SD31D?
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 SD31D?
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.