PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W-F-406Box Connector,electrical

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5975-00-881-2945 · FSC 5975 · No Item Name Available
Verified by PartsTable
NSN 5975-00-881-2945 — this item is cataloged by the U.S. Government under National Stock Number 5975-00-881-2945. Primary manufacturer part number: W-F-406.
Features
  • Box Connector,electrical — FSC 5975
  • Hazardous Locations/environmental Protection: EXPLOSION PROOF NEC CL.I, GP.ABCD;CL.II, GP.EFG;CL.III
  • Material: IRON MALLEABLE
  • End Type: GLAND NUT W/INTERNAL THREAD FIRST END
  • Conduit Type Accommodated: FLEXIBLE METALLIC FIRST END
  • Nondefinitive Spec/std Data: 1 TYPE AND J STYLE AND 3 CLASS
  • Surface Treatment: CADMIUM
  • Item Accommodated Trade Size: 1.500 INCHES FIRST END IN
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 5975-00-881-2945, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 10 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
NSN5975-00-881-2945
Primary Part NumberW-F-406
Item NameBox Connector,electrical
FSC / FSG5975 / 59 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Hazardous Locations/environmental ProtectionEXPLOSION PROOF NEC CL.I, GP.ABCD;CL.II, GP.EFG;CL.III
MaterialIRON MALLEABLE
End TypeGLAND NUT W/INTERNAL THREAD FIRST END
Conduit Type AccommodatedFLEXIBLE METALLIC FIRST END
Nondefinitive Spec/std Data1 TYPE AND J STYLE AND 3 CLASS
Surface TreatmentCADMIUM
Item Accommodated Trade Size1.500 INCHES FIRST END IN
Style DesignatorANGLE
Leg End to Plane of Bend Distance1.625 INCHES NOMINAL SECOND END IN
End TypeEXTERNAL THREAD SECOND END
Leg End to Plane of Bend Distance2.375 INCHES NOMINAL FIRST END IN
Deflection Angle45.0 DEGREES
Furnished ItemsINSULATED BUSHING AND SCREW IN GROUNDING CONE AND LOCKNUT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2925-00-110-79755346 INTERCHANGEABLE
Connector,spark Plu
Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense
2805-00-119-4537 INTERCHANGEABLE
Gear
5935-00-136-19195346 INTERCHANGEABLE
Connector,plug,electrical
Microwave Devices Inc
5905-00-168-93191200-948-6 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Bei Sensors & Systems Company, Inc. Dba Bei Duncan
6130-00-230-70966RS5GH26 INTERCHANGEABLE
Rectifier,metallic
Dean Technology Inc. Dba Cke
1650-00-440-649051561902 INTERCHANGEABLE
Parts Kit,valve
Hydro-Aire Aerospace Corp
2835-00-682-5356372519 INTERCHANGEABLE
Duct,air,oil Cooler
Arrowhead Products Corp
2810-00-874-217315B21318 INTERCHANGEABLE
Body Hydraulic Tapp
Textron Lycoming Inc Williamsport Plant
5340-00-944-059764B43324 INTERCHANGEABLE
Cap,spindle,clip Assembly,parach
Warner Robins Air Logistics Center
6515-01-406-3334 INTERCHANGEABLE
Cane,walking
Cross-Reference Index
Part NumberManufacturer
W-F-406 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
13-150B Efcor Inc
AA50552-001-3-J Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
A-A-50552 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
84001066-076 Woodward Hrt Inc (USA)
4128B6-2 Lockheed Martin Corporation Div Rotary and Mission Systems (USA)
4Q-4150-IT Egs Electric Co Llc (USA)
H15041 Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division (USA)
LTB-15045 Midwest Electric Mfg Corp Sub of Crouse-Hinds Co (USA)
STB-45150 Egs Electrical Group Appleton Div (USA)
5346 Abb Installation Products Inc (USA)
Related Parts
2925-00-110-7975INTERCHANGEABLE
CONNECTOR,SPARK PLU
5346
2805-00-119-4537INTERCHANGEABLE
GEAR
5935-00-136-1919INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5346
5905-00-168-9319INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
1200-948-6
6130-00-230-7096INTERCHANGEABLE
RECTIFIER,METALLIC
6RS5GH26
1650-00-440-6490INTERCHANGEABLE
PARTS KIT,VALVE
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2835-00-682-5356INTERCHANGEABLE
DUCT,AIR,OIL COOLER
372519
2810-00-874-2173INTERCHANGEABLE
BODY HYDRAULIC TAPP
15B21318
5340-00-944-0597INTERCHANGEABLE
CAP,SPINDLE,CLIP ASSEMBLY,PARACH
64B43324
6515-01-406-3334INTERCHANGEABLE
CANE,WALKING
5120-01-428-4686INTERCHANGEABLE
SOCKET,SOCKET WRENCH
FRS S461
2940-01-504-3775INTERCHANGEABLE
FOAM FILTER
8035389

Frequently Asked Questions

What is NSN 5975-00-881-2945?

NSN 5975-00-881-2945 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 5975-00-881-2945?

NSN 5975-00-881-2945 has 11 cross-referenced part numbers: W-F-406 (Federal Specifications Promulgated by General Services Administration Washington DC), 13-150B (Efcor Inc), AA50552-001-3-J (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), A-A-50552 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), 84001066-076 (Woodward Hrt Inc) and 6 more.

What NSN replaces 5975-00-881-2945?

There are 12 known substitutes for 5975-00-881-2945: 2925-00-110-7975, 2805-00-119-4537, 5935-00-136-1919 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of W-F-406?

Key specifications for W-F-406: Hazardous Locations/environmental Protection: EXPLOSION PROOF NEC CL.I, GP.ABCD;CL.II, GP.EFG;CL.III; Material: IRON MALLEABLE; End Type: GLAND NUT W/INTERNAL THREAD FIRST END; Conduit Type Accommodated: FLEXIBLE METALLIC FIRST END. 13 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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