National Security Agency · Electronic Components
0N289557-2
Switch, Toggle
Part Number0N289557-2
ManufacturerNational Security Agency
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-189-7866 (NSN)
Federal Item NameSWITCH,TOGGLE
Federal Supply Class5930 — Switches
Terminal Type And Quantity6 SOLDER STUD
Mounting Surface To Terminal End D2.000 INCHES NOMINAL
Body Height0.050 INCHES NOMINAL
Body Width1.500 INCHES NOMINAL
Actuator Position Action RelationsDOWN POSITION MOMENTARY
Actuator StyleROUND
Center To Center Distance Between1.025 INCHES NOMINAL
Body StyleHOLE MOUNT
Inclosure TypeUNINCLOSED
ESD/EMICode A — ESD/EMI sensitive item
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 0N289557-2 available?
We can source 0N289557-2 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 0N289557-2 by National Security Agency obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 0N289557-2 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 0N289557-2?
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 0N289557-2?
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.