MIL-SPEC · Electronic Components
MS25089-4FW
Switch, Push
Part NumberMS25089-4FW
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-350-9512 (NSN)
Federal Item NameSWITCH,PUSH
Federal Supply Class5930 — Switches
Terminal Type And Quantity3 TAB, SOLDER LUG
Overall Width0.562 INCHES NOMINAL
Thread Class2A
Actuator StyleROUND, FLUSH
Actuator Height0.250 INCHES NOMINAL
Actuator Diameter0.733 INCHES MINIMUM AND 0.745 INCHES MAXIMUM
Test Data Document81349-MIL-ST-8805 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DA
Nominal Thread Size0.625 INCHES
Nonpile Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, DOUBLE MAKE, MOMENTARY ACTION, WITH CONTACT ON ARM SINGLE SWITCH UNIT
Inclosure TypeFULLY INCLOSED
Mounting MethodTHREADED BUSHING
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 MS25089-4FW available?
We can source MS25089-4FW 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 MS25089-4FW by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MS25089-4FW 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 MS25089-4FW?
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 MS25089-4FW?
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.