Boeing · Electronic Components
ST5M1491-002
Switch, Lock
Part NumberST5M1491-002
ManufacturerBoeing
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-083-8075 (NSN)
Federal Item NameSWITCH,LOCK
Federal Supply Class5930 — Switches
Maximum Voltage Rating In Volts28.0 DC
Body StyleBUSHING MOUNTED
Nonpile Up Contact Arrangement1 TWO CIRCUIT, DOUBLE BREAK/DOUBLE MAKE, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT
Body Width1.840 INCHES NOMINAL
Inclosure TypeFULLY INCLOSED
Contact Load Current Rating At Max10.000 AMPERES RESISTIVE DC AND 5.000 AMPERES INDUCTIVE DC
Overall Length3.170 INCHES NOMINAL
Body Length0.830 INCHES NOMINAL
Thread Quantity Per Inch24
Overall Height1.960 INCHES NOMINAL
Nominal Thread Size1.188 INCHES
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 ST5M1491-002 available?
We can source ST5M1491-002 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 ST5M1491-002 by Boeing obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If ST5M1491-002 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 ST5M1491-002?
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 ST5M1491-002?
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.