BAE Systems Land & Armaments · Electronic Components
4189077-1
Switch, Sensitive
Part Number4189077-1
ManufacturerBAE Systems Land & Armaments
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-044-4491 (NSN)
Federal Item NameSWITCH,SENSITIVE
Federal Supply Class5930 — Switches
Body StyleBUSHING MOUNTED
Maximum Voltage Rating In Volts28.0 DC
Hazardous Locations EnvironmentalMOISTURE RESISTANT
Switch Release Force64.0 OUNCES MINIMUM
Contact Load Current Rating At Max7.000 AMPERES RESISTIVE DC AND 4.000 AMPERES INDUCTIVE DC AND 4.000 AMPERES MOTOR DC
Thread Series DesignatorUNS
Actuator Movement0.040 PRETRAVEL INCHES MAXIMUM AND 0.125 OVERTRAVEL INCHES MINIMUM AND 0.020 DIFFERENTIAL INCHES MAXIMUM
Switch Actuating Force144.0 OUNCES NOMINAL
Nonpile Up Contact Arrangement2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY SINGLE SWITCH UNIT
Terminal Type And Quantity1 CABLE W/CONNECTOR
Inclosure TypeFULLY INCLOSED
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 4189077-1 available?
We can source 4189077-1 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 4189077-1 by BAE Systems Land & Armaments obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4189077-1 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 4189077-1?
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 4189077-1?
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.