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Technical Data Sheet
HBL5278C ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include body_style: STRAIGHT SHAPE W/FLANGE, shell_type: SOLID, terminal_type: SCREW SINGLE MATING END ALL CONTACT GROUPINGS, shell_material: PLASTIC, insert_material: PLASTIC PHENOLIC SINGLE MATING END, bushing_diameter: 1.718 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5935-01-073-1638, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
HBL5278C
NSN: 5935-01-073-1638
FSC: 5935
CAGE: 74545 — HUBBELL INCORPORATED (DELAWARE) DBA WIRING DEVICE-KELLEMS DIVISION (USA)
SPECIFICATIONS
body_styleSTRAIGHT SHAPE W/FLANGE
shell_typeSOLID
terminal_typeSCREW SINGLE MATING END ALL CONTACT GROUPINGS
shell_materialPLASTIC
insert_materialPLASTIC PHENOLIC SINGLE MATING END
bushing_diameter1.718 INCHES NOMINAL IN
contact_materialCOPPER ALLOY SINGLE MATING END ALL CONTACT GROUPINGS
overall_diameter2.562 INCHES NOMINAL IN
terminal_locationSIDE SINGLE MATING END ALL CONTACT GROUPINGS
mating_end_quantity1
polarization_methodCONTACT
contact_removabilityNONREMOVABLE SINGLE MATING END ALL CONTACT GROUPINGS
NSN5935-01-073-1638
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CONNECTOR,RECEPTACLE,ELECTRICAL TITLE COMPONENT PN HBL5278C MFR CONNECTOR,RECEPTACLE,E
KEY FEATURES
UNTHREADED MOUNTING HOLE DIAMETER: 0.156 INCHES NOMINAL IN
INCLUDED CONTACT TYPE: U-PIN SINGLE MATING END FIRST CONTACT GROUPING
CONTACT MAXIMUM DC VOLTAGE RATING IN VOLTS: 125.0 SINGLE MATING END ALL CONTACT GROUPINGS
CONTACT MATERIAL: COPPER ALLOY SINGLE MATING END ALL CONTACT GROUPINGS
TERMINAL TYPE: SCREW SINGLE MATING END ALL CONTACT GROUPINGS
CONTACT REMOVABILITY: NONREMOVABLE SINGLE MATING END ALL CONTACT GROUPINGS
MATING END QUANTITY: 1
BUSHING DIAMETER: 1.718 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
UNTHREADED MOUNTING HOLE DIAMETER0.156 INCHES NOMINAL IN
INCLUDED CONTACT TYPEU-PIN SINGLE MATING END FIRST CONTACT GROUPING
CONTACT MAXIMUM DC VOLTAGE RATING IN VOLTS125.0 SINGLE MATING END ALL CONTACT GROUPINGS
CONTACT MATERIALCOPPER ALLOY SINGLE MATING END ALL CONTACT GROUPINGS
TERMINAL TYPESCREW SINGLE MATING END ALL CONTACT GROUPINGS
CONTACT REMOVABILITYNONREMOVABLE SINGLE MATING END ALL CONTACT GROUPINGS
MATING END QUANTITY1
BUSHING DIAMETER1.718 INCHES NOMINAL IN
INSERT MATERIALPLASTIC PHENOLIC SINGLE MATING END
POLARIZATION METHODCONTACT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
103046Interchangeable
interchangeable cross-reference
interchangeable
4251Interchangeable
interchangeable cross-reference
interchangeable
C234170-8Interchangeable
interchangeable cross-reference
interchangeable
LMF90-75Interchangeable
interchangeable cross-reference
interchangeable
EL296Interchangeable
interchangeable cross-reference
interchangeable
20-30142Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HBL5278C?
HBL5278C is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace HBL5278C?
There are 25 known substitutes for HBL5278C: 103046, 4251, C234170-8 and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for HBL5278C?
HBL5278C is cataloged in the Federal Logistics Information System (FLIS) under NSN 5935-01-073-1638. This indicates validated use in U.S. government and defense supply chains.
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