PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3423Box Connector,electrical

Raco, a Division of Hubbell Incorporated(delaware) · NSN 5975-00-578-3667 · FSC 5975 · No Item Name Available
Verified by PartsTable
NSN 5975-00-578-3667 — this item is cataloged by the U.S. Government under National Stock Number 5975-00-578-3667. Primary manufacturer part number: 3423.
Features
  • Box Connector,electrical — FSC 5975
  • End Type: EXTERNAL THREAD SECOND END
  • End Type: GLAND NUT W/INTERNAL THREAD FIRST END
  • Material: STEEL
  • Leg End to Plane of Bend Distance: 1.562 INCHES NOMINAL FIRST END IN
  • Item Accommodated Trade Size: 0.750 INCHES FIRST END IN
  • Nominal Thread Size: 0.750 INCHES SECOND END IN
  • Conduit Type Accommodated: FLEXIBLE METALLIC FIRST END
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
  • Applications requiring Steel construction
General Description

The Box Connector,electrical, cataloged under National Stock Number 5975-00-578-3667, is classified within Federal Supply Class 5975 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Raco, a Division of Hubbell Incorporated(delaware). Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5975-00-578-3667
Primary Part Number3423
Item NameBox Connector,electrical
FSC / FSG5975 / 59 — No Item Name Available
ManufacturerRaco, a Division of Hubbell Incorporated(delaware)
StatusCANCELLED
End TypeEXTERNAL THREAD SECOND END
End TypeGLAND NUT W/INTERNAL THREAD FIRST END
MaterialSTEEL
Leg End to Plane of Bend Distance1.562 INCHES NOMINAL FIRST END IN
Item Accommodated Trade Size0.750 INCHES FIRST END IN
Nominal Thread Size0.750 INCHES SECOND END IN
Conduit Type AccommodatedFLEXIBLE METALLIC FIRST END
Hazardous Locations/environmental ProtectionLIQUID TIGHT
Style DesignatorANGLE
Thread Series DesignatorNPT SECOND END
Thread Length0.562 INCHES NOMINAL SECOND END IN
Deflection Angle90.0 DEGREES
Furnished ItemsLOCKNUT
Leg End to Plane of Bend Distance1.437 INCHES NOMINAL SECOND END IN
Nondefinitive Spec/std Data3 CLASS AND 0.750 IN. SIZE AND K STYLE AND I TYPE IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5940-00-411-26432334 INTERCHANGEABLE
Terminal,quick Disconnect
Marco Manufacturing Co Inc
5975-00-899-023574349A INTERCHANGEABLE
Box Connector,electrical
Air Products & Chemicals, Inc
5935-00-975-02513423G INTERCHANGEABLE
Connector,plug,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
5935-01-096-43283423 INTERCHANGEABLE
Connector,receptacle,electrical
Crown Audio, Inc. Dba Crown International
5915-01-254-8793 INTERCHANGEABLE
Filter
6240-01-310-8776342-3 INTERCHANGEABLE
Lamp,incandescent
Perko Inc
5340-01-335-69503423 INTERCHANGEABLE
Strap,retaining
Zodiac Hurricane Technologies Inc
1940-01-481-13153423 INTERCHANGEABLE
Tension Strap,trans
Zodiac of North America, Inc. Dba Zodiac of North America Inc Div Milpro
6640-01-544-84193423 INTERCHANGEABLE
Cover,test Tube
Continental Laboratory Products Inc. Dba Pgc Scientiifics
Cross-Reference Index
Part NumberManufacturer
3423 Raco, a Division of Hubbell Incorporated(delaware) (USA)
ST9075 Egs Electrical Group Appleton Div (USA)
WF406 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
551-5871399 PC9 Lockheed Martin Corporation Dba Lockheed Martin Div Mission Systems and Training (USA)
8900-0464-002 Antenna Products Corporation Dba Antenna Products Corp (USA)
A-A50552-00I-3-K Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
A-A50552 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
PG90 75-STB Appleton Electric Co (USA)
SM-A-949385-14 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
Related Parts
5940-00-411-2643INTERCHANGEABLE
TERMINAL,QUICK DISCONNECT
2334
5975-00-899-0235INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
74349A
5935-00-975-0251INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
3423G
5935-01-096-4328INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
3423
5915-01-254-8793INTERCHANGEABLE
FILTER
6240-01-310-8776INTERCHANGEABLE
LAMP,INCANDESCENT
342-3
5340-01-335-6950INTERCHANGEABLE
STRAP,RETAINING
3423
1940-01-481-1315INTERCHANGEABLE
TENSION STRAP,TRANS
3423
6640-01-544-8419INTERCHANGEABLE
COVER,TEST TUBE
3423

Frequently Asked Questions

What is NSN 5975-00-578-3667?

NSN 5975-00-578-3667 is a Box Connector,electrical, manufactured by Raco, a Division of Hubbell Incorporated(delaware), classified under FSC 5975 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5975-00-578-3667?

NSN 5975-00-578-3667 has 9 cross-referenced part numbers: 3423 (Raco, a Division of Hubbell Incorporated(delaware)), ST9075 (Egs Electrical Group Appleton Div), WF406 (Federal Specifications Promulgated by General Services Administration Washington DC), 551-5871399 PC9 (Lockheed Martin Corporation Dba Lockheed Martin Div Mission Systems and Training), 8900-0464-002 (Antenna Products Corporation Dba Antenna Products Corp) and 4 more.

What NSN replaces 5975-00-578-3667?

There are 9 known substitutes for 5975-00-578-3667: 5940-00-411-2643, 5975-00-899-0235, 5935-00-975-0251 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3423?

Key specifications for 3423: End Type: EXTERNAL THREAD SECOND END; End Type: GLAND NUT W/INTERNAL THREAD FIRST END; Material: STEEL; Leg End to Plane of Bend Distance: 1.562 INCHES NOMINAL FIRST END IN. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5975-00-578-3667 still in active supply?

NSN 5975-00-578-3667 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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