Hubbell Incorporated (Delaware) · Electronic Components
520C9W
Connector Body, Plug, Electrical
Part Number520C9W
ManufacturerHubbell Incorporated (Delaware)
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-220-5517 (NSN)
Federal Item NameCONNECTOR BODY,PLUG,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Body StyleSTRAIGHT SHAPE W/STRAIN RELIEF
Polarization MethodMATING END
Overall Diameter3.938 INCHES NOMINAL
Environmental ProtectionCORROSION RESISTANT
Mating End Quantity1
Overall Length8.656 INCHES NOMINAL
Contact Position Arrangement Style4 SINGLE MATING END
Cable Entrance Diameter0.450 INCHES MINIMUM AND 1.250 INCHES MAXIMUM
Connector Cable Strain Relief MethCABLE CLAMP
Shell TypeSOLID
Shell MaterialPLASTIC POLYAMIDE NYLON
Vendor Part Numbers835024A4228
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 520C9W available?
We can source 520C9W 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 520C9W by Hubbell Incorporated (Delaware) obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 520C9W 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 520C9W?
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 520C9W?
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.