Hubbell Incorporated (Delaware) · Electronic Components
3521-C
Connector, Plug, Electrical
Part Number3521-C
ManufacturerHubbell Incorporated (Delaware)
LifecycleStocked
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-899-3669 (NSN)
Federal Item NameCONNECTOR,PLUG,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Connector Locking MethodCONTACT TWISTLOCK
Contact Maximum Current Rating In20.0 SINGLE MATING END SINGLE CONTACT GROUPING
Mating End Quantity1
Overall Diameter2.000 INCHES NOMINAL
Connector Cable Strain Relief MethCABLE CLAMP
Insert MaterialPLASTIC SINGLE MATING END
Contact Maximum Ac Voltage Rating600.0 SINGLE MATING END SINGLE CONTACT GROUPING
Terminal LocationBACK SINGLE MATING END SINGLE CONTACT GROUPING
Contact RemovabilityNONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Included Contact Quantity4 SINGLE MATING END SINGLE CONTACT GROUPING
Shell TypeSOLID
Vendor Part NumbersHBL3521C, 010-006174-001
ESD/EMICode A — ESD/EMI sensitive item
ProducttraceabilityNo
RohscompliantTBA
IscanonicalY
Hazardousfalse
RohsphthalatescompliantTBA
UseccnUnknown
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 3521-C available?
We can source 3521-C 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 3521-C by Hubbell Incorporated (Delaware) obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 3521-C 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 3521-C?
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 3521-C?
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.