Hubbell Incorporated (Delaware) · Electronic Components
20420
Connector, Receptacle, Electrical
Part Number20420
ManufacturerHubbell Incorporated (Delaware)
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-578-3080 (NSN)
Federal Item NameCONNECTOR,RECEPTACLE,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Overall Diameter3.500 INCHES NOMINAL
Contact Maximum Current Rating In30.0 SINGLE MATING END SINGLE CONTACT GROUPING
Contact Maximum Ac Voltage Rating600.0 SINGLE MATING END SINGLE CONTACT GROUPING
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Contact Maximum Dc Voltage Rating250.0 SINGLE MATING END SINGLE CONTACT GROUPING
Contact RemovabilityNONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Connector Locking MethodSHELL TWISTLOCK
Mating End Quantity1
Body Length1.625 INCHES NOMINAL
Included Contact Quantity4 SINGLE MATING END SINGLE CONTACT GROUPING
Nominal Thread Size0.164 INCHES
Surface Treatment Document And ClaQQ-P-416,TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE
Mounting Facility Type And Quantit1 THREADED STUD(S) SINGLE MOUNTING FACILITY
Thread Class2A SINGLE MOUNTING FACILITY
Accommodated Item Securing DeviceSPRING CLIP
Overall Length0.660 INCHES NOMINAL
MaterialSTEEL COMP B1113
Surface TreatmentCADMIUM
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 20420 available?
We can source 20420 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 20420 by Hubbell Incorporated (Delaware) obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 20420 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 20420?
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 20420?
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.