Hubbell Incorporated (Delaware) · Electronic Components
520R9W
Connector, Receptacle, Electrical
Part Number520R9W
ManufacturerHubbell Incorporated (Delaware)
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-220-5515 (NSN)
Federal Item NameCONNECTOR,RECEPTACLE,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Overall Height3.920 INCHES NOMINAL
Center To Center Distance Between3.125 INCHES NOMINAL
Overall Length3.750 INCHES NOMINAL
Contact Maximum Ac Voltage Rating208.0 SINGLE MATING END SINGLE CONTACT GROUPING
Contact MaterialCOPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
Included Contact Quantity4 SINGLE MATING END SINGLE CONTACT GROUPING
Connector Cable Strain Relief MethWEDGE-LOCK
Included Contact TypeROUND PIN SINGLE MATING END SINGLE CONTACT GROUPING
Distance Between Centerlines Of Mo3.125 INCHES NOMINAL
Terminal TypeSCREW SINGLE MATING END SINGLE CONTACT GROUPING
Environmental ProtectionCORROSION RESISTANT
Vendor Part Numbers835024A1045
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 520R9W available?
We can source 520R9W 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 520R9W by Hubbell Incorporated (Delaware) obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 520R9W 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 520R9W?
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 520R9W?
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.