BAE Systems Land & Armaments · Electronic Components
4189493-4
Switch, Sensitive
Part Number4189493-4
ManufacturerBAE Systems Land & Armaments
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-042-3779 (NSN)
Federal Item NameSWITCH,SENSITIVE
Federal Supply Class5930 — Switches
Body Length0.980 INCHES MAXIMUM
Switch Actuator Quantity1
Terminal Type And Quantity2 CABLE W/CONNECTOR
Nonpile Up Contact Arrangement2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY SINGLE SWITCH UNIT
Contact Load Current Rating At Max3.000 AMPERES INDUCTIVE DC
Body StyleBUSHING MOUNTED
Maximum Voltage Rating In Volts28.0 AC
Body Diameter1.015 INCHES MAXIMUM
Actuator StyleROLLER PLUNGER
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 4189493-4 available?
We can source 4189493-4 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 4189493-4 by BAE Systems Land & Armaments obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4189493-4 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 4189493-4?
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 4189493-4?
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.