Eaton Aerospace · Electronic Components
21SN04-94F
Switch, Pressure
Part Number21SN04-94F
ManufacturerEaton Aerospace
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-004-6147 (NSN)
Federal Item NameSWITCH,PRESSURE
Federal Supply Class5930 — Switches
Overall Length2.620 INCHES NOMINAL
Pressure Switch TypeDIFFERENTIAL
Longest Horizontal Distance Betwee1.538 INCHES NOMINAL
Longest Vertical Distance Between1.538 INCHES NOMINAL
Body Diameter1.538 INCHES NOMINAL
Contact Action StimulusINCREASE
Overall Width1.880 INCHES NOMINAL
Mounting Facility PatternFOUR POSITION RECTANGULAR
Mounting MethodFLANGE
Terminal TypeCONNECTOR, RECEPTACLE
Style DesignatorCYLINDRICAL W/LUGS
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 21SN04-94F available?
We can source 21SN04-94F 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 21SN04-94F by Eaton Aerospace obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 21SN04-94F 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 21SN04-94F?
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 21SN04-94F?
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.