PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4240Box Connector,electrical

Abb Installation Products Inc · NSN 5975-00-141-0531 · FSC 5975 · No Item Name Available
Verified by PartsTable
NSN 5975-00-141-0531 — this item is cataloged by the U.S. Government under National Stock Number 5975-00-141-0531. Primary manufacturer part number: 4240.
Features
  • Box Connector,electrical — FSC 5975
  • Furnished Items: LOCKNUT
  • Surface Treatment: CADMIUM
  • Conduit Type Accommodated: RIGID METALLIC THINWALL FIRST END
  • Item Accommodated Trade Size: 0.500 INCHES FIRST END IN
  • Leg End to Plane of Bend Distance: 1.125 INCHES NOMINAL FIRST END IN
  • End Type: EXTERNAL THREAD SECOND END
  • Material: IRON MALLEABLE
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
  • Applications requiring Iron Malleable construction
General Description

The Box Connector,electrical, cataloged under National Stock Number 5975-00-141-0531, 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 Abb Installation Products Inc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5975-00-141-0531
Primary Part Number4240
Item NameBox Connector,electrical
FSC / FSG5975 / 59 — No Item Name Available
ManufacturerAbb Installation Products Inc
StatusACTIVE
Furnished ItemsLOCKNUT
Surface TreatmentCADMIUM
Conduit Type AccommodatedRIGID METALLIC THINWALL FIRST END
Item Accommodated Trade Size0.500 INCHES FIRST END IN
Leg End to Plane of Bend Distance1.125 INCHES NOMINAL FIRST END IN
End TypeEXTERNAL THREAD SECOND END
MaterialIRON MALLEABLE
Supplementary FeaturesEND ITEM F-4 AND A-10 AIRCRAFT SUPPORT EQUIPMENT
End TypeCOMPRESSION RING AND NUT FIRST END
Style DesignatorANGLE
Leg End to Plane of Bend Distance1.250 INCHES NOMINAL SECOND END IN
Deflection Angle90.0 DEGREES
Hazardous Locations/environmental ProtectionRAINTIGHT-NEMA TYPE 3R
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-043-45753072 INTERCHANGEABLE
Transformer,radio Frequency
Magnetika Inc
5950-00-065-3274900086-0052 INTERCHANGEABLE
Transformer,audio Frequency
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
4940-00-125-79064240A INTERCHANGEABLE
Press,hydraulic,portable
Bosch Automotive Service Solutions Inc.
6220-00-176-02733072AMBER INTERCHANGEABLE
Lens,light
J. W. Speaker Corporation Dba Jw Speaker Corp
4820-00-273-99003061FE INTERCHANGEABLE
Valve,check
William Powell Company, the Dba Powell Valve Div the Starflo Corporation
4820-00-273-9903 INTERCHANGEABLE
Valve,check
5120-00-317-807642B2262 INTERCHANGEABLE
Wrench,open End
Aeronautical and Support Equipment Type/asetds/aflcmc/ezsc
2920-00-371-46114240 INTERCHANGEABLE
Clamp,ignition Cabl3
L & L Boiler Maintenance Inc
5360-00-418-0682 INTERCHANGEABLE
Spring,spiral,torsion
4820-00-475-58463072 INTERCHANGEABLE
Valve,check
Tactair Fluid Controls Inc
Cross-Reference Index
Part NumberManufacturer
8050WT Egs Electric Co Llc (USA)
4240 Thomas and Betts Ltd (CAN)
8050WT Egs Electrical Group Appleton Div (USA)
5-4-5074 W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center (USA)
3072 Raco, a Division of Hubbell Incorporated(delaware) (USA)
4240 PRIMARY Abb Installation Products Inc (USA)
Related Parts
5950-00-043-4575INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
3072
5950-00-065-3274INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
900086-0052
4940-00-125-7906INTERCHANGEABLE
PRESS,HYDRAULIC,PORTABLE
4240A
6220-00-176-0273INTERCHANGEABLE
LENS,LIGHT
3072AMBER
4820-00-273-9900INTERCHANGEABLE
VALVE,CHECK
3061FE
4820-00-273-9903INTERCHANGEABLE
VALVE,CHECK
5120-00-317-8076INTERCHANGEABLE
WRENCH,OPEN END
42B2262
2920-00-371-4611INTERCHANGEABLE
CLAMP,IGNITION CABL3
4240
5360-00-418-0682INTERCHANGEABLE
SPRING,SPIRAL,TORSION
4820-00-475-5846INTERCHANGEABLE
VALVE,CHECK
3072
5935-00-848-7921INTERCHANGEABLE
ADAPTER,CONNECTOR
5930-00-994-8471INTERCHANGEABLE
SWITCH,LEVER

Frequently Asked Questions

What is NSN 5975-00-141-0531?

NSN 5975-00-141-0531 is a Box Connector,electrical, manufactured by Abb Installation Products Inc, classified under FSC 5975 (No Item Name Available). Status: active.

What are the part numbers for NSN 5975-00-141-0531?

NSN 5975-00-141-0531 has 6 cross-referenced part numbers: 8050WT (Egs Electric Co Llc), 4240 (Thomas and Betts Ltd), 8050WT (Egs Electrical Group Appleton Div), 5-4-5074 (W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center), 3072 (Raco, a Division of Hubbell Incorporated(delaware)) and 1 more.

What NSN replaces 5975-00-141-0531?

There are 12 known substitutes for 5975-00-141-0531: 5950-00-043-4575, 5950-00-065-3274, 4940-00-125-7906 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4240?

Key specifications for 4240: Furnished Items: LOCKNUT; Surface Treatment: CADMIUM; Special Features: W/BUILT IN INSULATION; Conduit Type Accommodated: RIGID METALLIC THINWALL FIRST END. 14 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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