Hubbell · Electronic Components
HBL5278C
Part NumberHBL5278C
ManufacturerHubbell
AvailabilityIn stock — ships fast
Specifications
NSN5935-01-073-1638 (NSN)
Federal Item NameCONNECTOR,RECEPTACLE,ELECTRICAL
Terminal TypeSCREW SINGLE MATING END ALL CONTACT GROUPINGS
Overall Diameter2.562 INCHES NOMINAL
Body StyleSTRAIGHT SHAPE W/FLANGE
Contact Arrangement"3,5-15" SINGLE MATING END
Included Contact Quantity2 SINGLE MATING END SECOND CONTACT GROUPING; 1 SINGLE MATING END FIRST CONTACT GROUPING
Contact Maximum Dc Voltage Rating125.0 SINGLE MATING END ALL CONTACT GROUPINGS
Included Contact TypeU-PIN SINGLE MATING END FIRST CONTACT GROUPING; FLAT PIN SINGLE MATING END SECOND CONTACT GROUPING
Mating End Quantity1
Unthreaded Mounting Hole Diameter0.156 INCHES NOMINAL
Contact MaterialCOPPER ALLOY SINGLE MATING END ALL CONTACT GROUPINGS
Federal Supply Class5935 — Connectors, Electrical
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 HBL5278C in stock?
Yes — HBL5278C is in our stock database. Request a quote for current pricing and lead time.
Is HBL5278C by Hubbell obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If HBL5278C 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 HBL5278C?
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 HBL5278C?
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.