Rockwell Collins · Electronic Components
260-4021-050
Circuit Breaker
Part Number260-4021-050
ManufacturerRockwell Collins
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-00-139-2739 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Body Length2.530 INCHES MAXIMUM
Body Width0.755 INCHES MINIMUM AND 0.770 INCHES MAXIMUM
Pole Quantity1
Actuator Position DesignationAT POLE ONE
Special Handling FeatureMAGNETIC
Switch Terminal TypeTAB, SOLDER LUG
Distance Between Centerlines Of Mo2.050 INCHES MINIMUM AND 2.070 INCHES MAXIMUM
Auxiliary Switch Function And Quan1 ALARM
Manual Actuator Type And Quantity1 TOGGLE
Boss Height0.145 INCHES MINIMUM AND 0.160 INCHES MAXIMUM
Switch Current Rating And Type In2.5 AC AND 1.0 DC
Vendor Part NumbersAPL1R571-050
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 260-4021-050 available?
We can source 260-4021-050 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 260-4021-050 by Rockwell Collins obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 260-4021-050 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 260-4021-050?
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 260-4021-050?
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.