PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5-4-5057Box Connector,electrical

W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center · NSN 5975-00-802-6531 · FSC 5975 · No Item Name Available
Verified by PartsTable
NSN 5975-00-802-6531 — this item is cataloged by the U.S. Government under National Stock Number 5975-00-802-6531. Primary manufacturer part number: 5-4-5057.
Features
  • Box Connector,electrical — FSC 5975
  • Hazardous Locations/environmental Protection: RAINTIGHT-NEMA TYPE 3R
  • Furnished Items: INSULATED BUSHING AND LOCKNUT
  • Conduit Type Accommodated: RIGID METALLIC THINWALL FIRST END
  • Nondefinitive Spec/std Data: 2 CLASS AND L KIND AND 0.750 IN. SIZE AND 2 STYLE AND I TYPE IN
  • Surface Treatment: CADMIUM OR ZINC
  • Item Accommodated Trade Size: 0.750 INCHES FIRST END IN
  • End Type: EXTERNAL THREAD SECOND 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 5975-00-802-6531, 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 W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 18 commercial cross-references from 14 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
NSN5975-00-802-6531
Primary Part Number5-4-5057
Item NameBox Connector,electrical
FSC / FSG5975 / 59 — No Item Name Available
ManufacturerW1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center
StatusCANCELLED
Hazardous Locations/environmental ProtectionRAINTIGHT-NEMA TYPE 3R
Furnished ItemsINSULATED BUSHING AND LOCKNUT
Conduit Type AccommodatedRIGID METALLIC THINWALL FIRST END
Nondefinitive Spec/std Data2 CLASS AND L KIND AND 0.750 IN. SIZE AND 2 STYLE AND I TYPE IN
Surface TreatmentCADMIUM OR ZINC
Item Accommodated Trade Size0.750 INCHES FIRST END IN
End TypeEXTERNAL THREAD SECOND END
MaterialSTEEL
Style DesignatorSTRAIGHT
End TypeCOMPRESSION RING AND NUT FIRST END
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6625-00-001-6094 INTERCHANGEABLE
Analyzer,spectrum
5950-00-227-86075223 INTERCHANGEABLE
Transformer,electri
The Bechdon Company, Llc
5360-00-291-428120901 INTERCHANGEABLE
Spring,helical,compression
Grove Valve Operations
3120-00-371-2941 INTERCHANGEABLE
Bushing,sleeve
2520-00-462-1434 INTERCHANGEABLE
Sleeve,transmission
5310-00-914-872852-23 INTERCHANGEABLE
Washer,lock
Pitney Bowes Inc.
3030-00-933-5356110XL037 INTERCHANGEABLE
Belt,positive Drive
Gates Corporation
5360-00-937-5920 INTERCHANGEABLE
Spring,helical,compression
6130-01-036-4455751B INTERCHANGEABLE
Power Supply
Ametek Programmable Power, Inc.
5220-01-133-989025DL INTERCHANGEABLE
Gage,thickness,electronic
Panametrics Llc
Cross-Reference Index
Part NumberManufacturer
5-4-5057 W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center (USA)
534972-2 Raytheon Company Dba Raytheon (USA)
751B Efcor Inc
20901 Atlas Technologies Inc (USA)
AA50553-1-2-L-2-02-S Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
1176-S Atlas Technologies Inc (USA)
W-F-408-1-2-L-2-02-S Federal Specifications Promulgated by General Services Administration Washington DC (USA)
7075W-IT Egs Electric Co Llc (USA)
1913 Raco, a Division of Hubbell Incorporated(delaware) (USA)
TC-712 Thomas and Betts Corp American Electric Div Oem Group Memphis Tn (USA)
AA50553 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
5223 Abb Installation Products Inc (USA)
5223 Thomas and Betts Corp (USA)
5223 Thomas and Betts Ltd (CAN)
86T075 Egs Electrical Group Appleton Div (USA)
W-F-408 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
TC-712 Abb Installation Products Inc (USA)
1651 Midwest Electric Mfg Corp Sub of Crouse-Hinds Co (USA)
Related Parts
6625-00-001-6094INTERCHANGEABLE
ANALYZER,SPECTRUM
5950-00-227-8607INTERCHANGEABLE
TRANSFORMER,ELECTRI
5223
5360-00-291-4281INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
20901
3120-00-371-2941INTERCHANGEABLE
BUSHING,SLEEVE
2520-00-462-1434INTERCHANGEABLE
SLEEVE,TRANSMISSION
5310-00-914-8728INTERCHANGEABLE
WASHER,LOCK
52-23
3030-00-933-5356INTERCHANGEABLE
BELT,POSITIVE DRIVE
110XL037
5360-00-937-5920INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
6130-01-036-4455INTERCHANGEABLE
POWER SUPPLY
751B
5220-01-133-9890INTERCHANGEABLE
GAGE,THICKNESS,ELECTRONIC
25DL
5340-01-141-1981INTERCHANGEABLE
INSERT
6625-01-145-2386INTERCHANGEABLE
OSCILLOSCOPE
5223

Frequently Asked Questions

What is NSN 5975-00-802-6531?

NSN 5975-00-802-6531 is a Box Connector,electrical, manufactured by W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center, classified under FSC 5975 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5975-00-802-6531?

NSN 5975-00-802-6531 has 18 cross-referenced part numbers: 5-4-5057 (W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center), 534972-2 (Raytheon Company Dba Raytheon), 751B (Efcor Inc), 20901 (Atlas Technologies Inc), AA50553-1-2-L-2-02-S (Federal Commercial Item Description Promulgated by General Services Administration Washington DC) and 13 more.

What NSN replaces 5975-00-802-6531?

There are 12 known substitutes for 5975-00-802-6531: 6625-00-001-6094, 5950-00-227-8607, 5360-00-291-4281 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5-4-5057?

Key specifications for 5-4-5057: Hazardous Locations/environmental Protection: RAINTIGHT-NEMA TYPE 3R; Furnished Items: INSULATED BUSHING AND LOCKNUT; Conduit Type Accommodated: RIGID METALLIC THINWALL FIRST END; Nondefinitive Spec/std Data: 2 CLASS AND L KIND AND 0.750 IN. SIZE AND 2 STYLE AND I TYPE IN. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5975-00-802-6531 still in active supply?

NSN 5975-00-802-6531 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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