Rockwell Collins · Electronic Components
520-4421-00
Connector, Plug, Electrical
Part Number520-4421-00
ManufacturerRockwell Collins
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-197-0584 (NSN)
Federal Item NameCONNECTOR,PLUG,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Cable Entrance Diameter1.562 INCHES NOMINAL
Mating End Quantity1
Shell Surface TreatmentANODIZE
Thread Quantity Per Inch16
Connector Cable Strain Relief MethCABLE CLAMP
Connector Locking MethodINTERNALLY THREADED COUPLING NUT
Shell MaterialALUMINUM ALLOY
Contact Maximum Dc Voltage Rating3000.0 SINGLE MATING END FIRST CONTACT GROUPING
Thread Series DesignatorUN
Included Contact TypeROUND SOCKET SINGLE MATING END ALL CONTACT GROUPINGS
Included Contact Quantity12 SINGLE MATING END SECOND CONTACT GROUPING
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 520-4421-00 available?
We can source 520-4421-00 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 520-4421-00 by Rockwell Collins obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 520-4421-00 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 520-4421-00?
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 520-4421-00?
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.