PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

WF406Box Connector,electrical

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5975-00-665-0113 · FSC 5975 · No Item Name Available
Verified by PartsTable
NSN 5975-00-665-0113 — this item is cataloged by the U.S. Government under National Stock Number 5975-00-665-0113. Primary manufacturer part number: WF406.
Features
  • Box Connector,electrical — FSC 5975
  • Conduit Type Accommodated: FLEXIBLE METALLIC FIRST END
  • Item Accommodated Trade Size: 0.500 INCHES FIRST END IN
  • Nominal Thread Size: 0.500 INCHES SECOND END IN
  • Surface Treatment: CADMIUM OR ZINC
  • Thread Length: 0.437 INCHES NOMINAL SECOND END IN
  • End Type: SQUEEZE FIRST END
  • Furnished Items: LOCKNUT
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
  • Applications requiring Iron or Steel construction
General Description

The Box Connector,electrical, cataloged under National Stock Number 5975-00-665-0113, 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 Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5975-00-665-0113
Primary Part NumberWF406
Item NameBox Connector,electrical
FSC / FSG5975 / 59 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Conduit Type AccommodatedFLEXIBLE METALLIC FIRST END
Item Accommodated Trade Size0.500 INCHES FIRST END IN
Nominal Thread Size0.500 INCHES SECOND END IN
Surface TreatmentCADMIUM OR ZINC
Thread Length0.437 INCHES NOMINAL SECOND END IN
End TypeSQUEEZE FIRST END
Furnished ItemsLOCKNUT
MaterialIRON OR STEEL
End TypeEXTERNAL THREAD SECOND END
Nondefinitive Spec/std Data2 CLASS AND A STYLE AND I TYPE
Style DesignatorSCREW CLAMP
Thread Series DesignatorNPT SECOND END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5975-00-152-1046 INTERCHANGEABLE
Box Connector,electrical
5975-00-152-1072 INTERCHANGEABLE
Box Connector,electrical
5975-00-152-1123 INTERCHANGEABLE
Box Connector,electrical
5975-00-152-1124 INTERCHANGEABLE
Box Connector,electrical
5975-00-152-1126 INTERCHANGEABLE
Box Connector,electrical
5975-00-152-1143 INTERCHANGEABLE
Box Connector,electrical
5975-00-152-1145 INTERCHANGEABLE
Box Connector,electrical
5975-00-152-1146 INTERCHANGEABLE
Box Connector,electrical
5975-00-280-6139 INTERCHANGEABLE
Box Connector,electrical
5975-00-280-7196 INTERCHANGEABLE
Box Connector,electrical
Cross-Reference Index
Part NumberManufacturer
WF406 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
FEDSTD157 Federal Standards Promulgated by General Services Administration Washington DC
Related Parts
5975-00-152-1046INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
5975-00-152-1072INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
5975-00-152-1123INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
5975-00-152-1124INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
5975-00-152-1126INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
5975-00-152-1143INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
5975-00-152-1145INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
5975-00-152-1146INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
5975-00-280-6139INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
5975-00-280-7196INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
5975-00-556-0412INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL

Frequently Asked Questions

What is NSN 5975-00-665-0113?

NSN 5975-00-665-0113 is a Box Connector,electrical, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 5975 (No Item Name Available). Status: active.

What are the part numbers for NSN 5975-00-665-0113?

NSN 5975-00-665-0113 has 2 cross-referenced part numbers: WF406 (Federal Specifications Promulgated by General Services Administration Washington DC), FEDSTD157 (Federal Standards Promulgated by General Services Administration Washington DC).

What NSN replaces 5975-00-665-0113?

There are 11 known substitutes for 5975-00-665-0113: 5975-00-152-1046, 5975-00-152-1072, 5975-00-152-1123 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of WF406?

Key specifications for WF406: Conduit Type Accommodated: FLEXIBLE METALLIC FIRST END; Item Accommodated Trade Size: 0.500 INCHES FIRST END IN; Nominal Thread Size: 0.500 INCHES SECOND END IN; Surface Treatment: CADMIUM OR ZINC. 12 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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