PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

26521Connector,receptacle,electrical

Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division · NSN 5935-01-029-6433 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-01-029-6433 — this item is cataloged by the U.S. Government under National Stock Number 5935-01-029-6433. Primary manufacturer part number: 26521.
Features
  • Connector,receptacle,electrical — FSC 5935
  • Overall Diameter: 4.125 INCHES NOMINAL IN
  • Body Style: FLANGE MOUNT
  • Mating End Quantity: 1
  • Polarization Method: CONTACT
  • Unthreaded Mounting Hole Diameter: 0.188 INCHES NOMINAL IN
  • Bushing Diameter: 2.687 INCHES NOMINAL IN
  • Contact Maximum Current Rating in Amps: 60.0 SINGLE MATING END SINGLE CONTACT GROUPING
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
General Description

The Connector,receptacle,electrical, cataloged under National Stock Number 5935-01-029-6433, is classified within Federal Supply Class 5935 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5935-01-029-6433
Primary Part Number26521
Item NameConnector,receptacle,electrical
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerHubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
StatusACTIVE
Overall Diameter4.125 INCHES NOMINAL IN
Body StyleFLANGE MOUNT
Mating End Quantity1
Polarization MethodCONTACT
Unthreaded Mounting Hole Diameter0.188 INCHES NOMINAL IN
Bushing Diameter2.687 INCHES NOMINAL IN
Contact Maximum Current Rating in Amps60.0 SINGLE MATING END SINGLE CONTACT GROUPING
Distance From Mounting Shoulder to Rear Face4.312 INCHES NOMINAL IN
Insert MaterialPLASTIC PHENOLIC SINGLE MATING END
Terminal TypeSCREW SINGLE MATING END SINGLE CONTACT GROUPING
Included Contact TypeFLAT SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
Contact Position Arrangement Style4 SINGLE MATING END
Terminal LocationBACK SINGLE MATING END SINGLE CONTACT GROUPING
Shell MaterialSTEEL
Contact Maximum AC Voltage Rating in Volts600.0 SINGLE MATING END SINGLE CONTACT GROUPING
Shell TypeSOLID
Included Contact Quantity4 SINGLE MATING END SINGLE CONTACT GROUPING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5330-00-084-12302652-1 INTERCHANGEABLE
Gasket
Rockwell Collins, Inc. Dba Rc Displays Systems
2805-00-351-634426521 INTERCHANGEABLE
Valve,poppet,engine
Briggs and Stratton Corp
2915-00-370-90782-652-1 INTERCHANGEABLE
Fuel Float Valve Assembly
Parker Hannifin Corporation Div Aerospace Group Headquarters
5930-00-448-0001815-1853067SYM2652-1 INTERCHANGEABLE
Switch,magnet
Naval Ship Systems Command
2915-00-580-94089-253-51 INTERCHANGEABLE
Valve,float,aircraft Fuel Tank
Parker Hannifin Corporation Div Aerospace Group Headquarters
6615-00-786-708126521 INTERCHANGEABLE
Nut,synchro,lock
Parker-Hannifin Corporation Dba Control Systems Division
5620-00-982-8182 INTERCHANGEABLE
Glass,sheet
4720-00-990-168526521 INTERCHANGEABLE
Hose,preformed
Gates Corporation
Cross-Reference Index
Part NumberManufacturer
26521 PRIMARY Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division (USA)
Related Parts
5330-00-084-1230INTERCHANGEABLE
GASKET
2652-1
2805-00-351-6344INTERCHANGEABLE
VALVE,POPPET,ENGINE
26521
2915-00-370-9078INTERCHANGEABLE
FUEL FLOAT VALVE ASSEMBLY
2-652-1
5930-00-448-0001INTERCHANGEABLE
SWITCH,MAGNET
815-1853067SYM2652-1
2915-00-580-9408INTERCHANGEABLE
VALVE,FLOAT,AIRCRAFT FUEL TANK
9-253-51
6615-00-786-7081INTERCHANGEABLE
NUT,SYNCHRO,LOCK
26521
5620-00-982-8182INTERCHANGEABLE
GLASS,SHEET
4720-00-990-1685INTERCHANGEABLE
HOSE,PREFORMED
26521

Frequently Asked Questions

What is NSN 5935-01-029-6433?

NSN 5935-01-029-6433 is a Connector,receptacle,electrical, manufactured by Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division, classified under FSC 5935 (No Item Name Available). Status: active.

What are the part numbers for NSN 5935-01-029-6433?

NSN 5935-01-029-6433 has 1 cross-referenced part number: 26521 (Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division).

What NSN replaces 5935-01-029-6433?

There are 8 known substitutes for 5935-01-029-6433: 5330-00-084-1230, 2805-00-351-6344, 2915-00-370-9078 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 26521?

Key specifications for 26521: Overall Diameter: 4.125 INCHES NOMINAL IN; Body Style: FLANGE MOUNT; Mating End Quantity: 1; Polarization Method: CONTACT. 18 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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