Rockwell Collins · Electronic Components
266-5321-990
Switch, Toggle
Part Number266-5321-990
ManufacturerRockwell Collins
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-052-3978 (NSN)
Federal Item NameSWITCH,TOGGLE
Federal Supply Class5930 — Switches
Maximum Voltage Rating In Volts115.0 AC AND 28.0 DC
Nonpile Up Contact Arrangement2 POLE, DOUBLE THROW, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT
Body StyleBUSHING MOUNT
Thread Series DesignatorUNS
Body Width0.440 INCHES MINIMUM AND 0.460 INCHES MAXIMUM
Mounting Surface To Terminal End D0.690 INCHES NOMINAL
Actuator Height0.270 INCHES NOMINAL
Actuator Diameter0.105 INCHES NOMINAL
Actuator Position Action RelationsLEFT POSITION MAINTAINED AND RIGHT POSITION MAINTAINED
Thread Class2A
Contact Load Current Rating At Max5.000 AMPERES RESISTIVE AC AND 5.000 AMPERES RESISTIVE DC
Vendor Part Numbers7201MDAB
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 266-5321-990 available?
We can source 266-5321-990 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 266-5321-990 by Rockwell Collins obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 266-5321-990 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 266-5321-990?
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 266-5321-990?
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.