PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4Q-475Box Connector,electrical

Egs Electric Co Llc · NSN 5975-00-810-6394 · FSC 5975 · No Item Name Available
Verified by PartsTable
NSN 5975-00-810-6394 — this item is cataloged by the U.S. Government under National Stock Number 5975-00-810-6394. Primary manufacturer part number: 4Q-475.
Features
  • Box Connector,electrical — FSC 5975
  • End Type: EXTERNAL THREAD SECOND END
  • Thread Series Designator: NPT SECOND END
  • Surface Treatment: CADMIUM
  • Material: IRON MALLEABLE
  • Cable Diameter Accommodated: 0.750 INCHES NOMINAL FIRST END IN
  • Hazardous Locations/environmental Protection: LIQUID TIGHT
  • Furnished Items: GLAND NUT AND LOCKNUT
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 5975-00-810-6394, 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 Egs Electric Co Llc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5975-00-810-6394
Primary Part Number4Q-475
Item NameBox Connector,electrical
FSC / FSG5975 / 59 — No Item Name Available
ManufacturerEgs Electric Co Llc
StatusCANCELLED
End TypeEXTERNAL THREAD SECOND END
Thread Series DesignatorNPT SECOND END
Surface TreatmentCADMIUM
MaterialIRON MALLEABLE
Cable Diameter Accommodated0.750 INCHES NOMINAL FIRST END IN
Hazardous Locations/environmental ProtectionLIQUID TIGHT
Furnished ItemsGLAND NUT AND LOCKNUT
Deflection Angle45.0 DEGREES
Nominal Thread Size0.750 INCHES SECOND END IN
End TypeGLAND NUT W/INTERNAL THREAD FIRST END
Conduit Type AccommodatedFLEXIBLE METALLIC FIRST END
Style DesignatorANGLE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5940-00-140-1664524-03 INTERCHANGEABLE
Terminal,lug
Harcosemco Llc Dba Harcosemco
5975-00-174-9126 INTERCHANGEABLE
Reducing Washer,knockout
2940-00-289-8348101606A INTERCHANGEABLE
Filter Element,fluid
Dresser, Llc
4320-00-398-57021375 INTERCHANGEABLE
Housing,impeller,pump
Curtiss-Wright Electro-Mechanical Corporation Div Epd
2910-00-424-4637 INTERCHANGEABLE
Float,carburetor
5305-00-550-0863 INTERCHANGEABLE
Screw,cap,hexagon Head
6510-00-559-6130 INTERCHANGEABLE
Pad,post Surgical Obstetrical
5950-00-686-87421668765 INTERCHANGEABLE
Coil,radio Frequency
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6210-00-773-5992 INTERCHANGEABLE
Light,indicator
5920-00-810-5604401594 INTERCHANGEABLE
Fuse Link,thermal
Eaton Aerospace, Llc Dba Jackson South
Cross-Reference Index
Part NumberManufacturer
4Q-475 Egs Electric Co Llc (USA)
A-A-50552 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
LT-7545 Midwest Electric Mfg Corp Sub of Crouse-Hinds Co (USA)
AA50552-001-3-J-1 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
347121-1003 Leonardo Us Cyber and Security Solutions, Llc (USA)
5243 Abb Installation Products Inc (USA)
13-75 Efcor Inc
5243 Thomas and Betts Ltd (CAN)
Related Parts
5940-00-140-1664INTERCHANGEABLE
TERMINAL,LUG
524-03
5975-00-174-9126INTERCHANGEABLE
REDUCING WASHER,KNOCKOUT
2940-00-289-8348INTERCHANGEABLE
FILTER ELEMENT,FLUID
101606A
4320-00-398-5702INTERCHANGEABLE
HOUSING,IMPELLER,PUMP
1375
2910-00-424-4637INTERCHANGEABLE
FLOAT,CARBURETOR
5305-00-550-0863INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
6510-00-559-6130INTERCHANGEABLE
PAD,POST SURGICAL OBSTETRICAL
5950-00-686-8742INTERCHANGEABLE
COIL,RADIO FREQUENCY
1668765
6210-00-773-5992INTERCHANGEABLE
LIGHT,INDICATOR
5920-00-810-5604INTERCHANGEABLE
FUSE LINK,THERMAL
401594
5975-00-839-6915INTERCHANGEABLE
BUSHING,STRAIN RELIEF,CABLE
SR15-1
5330-00-843-2720INTERCHANGEABLE
SEAL,PLAIN ENCASED
1375

Frequently Asked Questions

What is NSN 5975-00-810-6394?

NSN 5975-00-810-6394 is a Box Connector,electrical, manufactured by Egs Electric Co Llc, classified under FSC 5975 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5975-00-810-6394?

NSN 5975-00-810-6394 has 8 cross-referenced part numbers: 4Q-475 (Egs Electric Co Llc), A-A-50552 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), LT-7545 (Midwest Electric Mfg Corp Sub of Crouse-Hinds Co), AA50552-001-3-J-1 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), 347121-1003 (Leonardo Us Cyber and Security Solutions, Llc) and 3 more.

What NSN replaces 5975-00-810-6394?

There are 12 known substitutes for 5975-00-810-6394: 5940-00-140-1664, 5975-00-174-9126, 2940-00-289-8348 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4Q-475?

Key specifications for 4Q-475: End Type: EXTERNAL THREAD SECOND END; Thread Series Designator: NPT SECOND END; Surface Treatment: CADMIUM; Material: IRON MALLEABLE. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5975-00-810-6394 still in active supply?

NSN 5975-00-810-6394 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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