PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AA50552Box Connector,electrical

Federal Commercial Item Description Promulgated by General Services Administration Washington DC · NSN 5975-00-280-6139 · FSC 5975 · No Item Name Available
Verified by PartsTable
NSN 5975-00-280-6139 — this item is cataloged by the U.S. Government under National Stock Number 5975-00-280-6139. Primary manufacturer part number: AA50552.
Features
  • Box Connector,electrical — FSC 5975
  • Item Accommodated Trade Size: 2.000 INCHES FIRST END IN
  • End Type: EXTERNAL THREAD SECOND END
  • Style Designator: SCREW CLAMP
  • End Type: SQUEEZE FIRST END
  • Conduit Type Accommodated: FLEXIBLE METALLIC FIRST END
  • Nondefinitive Spec/std Data: 1 CLASS AND A STYLE AND 1 TYPE
  • Material: IRON OR STEEL
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 5975-00-280-6139, 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 Commercial Item Description Promulgated by General Services Administration Washington DC. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 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
NSN5975-00-280-6139
Primary Part NumberAA50552
Item NameBox Connector,electrical
FSC / FSG5975 / 59 — No Item Name Available
ManufacturerFederal Commercial Item Description Promulgated by General Services Administration Washington DC
StatusCANCELLED
Item Accommodated Trade Size2.000 INCHES FIRST END IN
End TypeEXTERNAL THREAD SECOND END
Style DesignatorSCREW CLAMP
End TypeSQUEEZE FIRST END
Conduit Type AccommodatedFLEXIBLE METALLIC FIRST END
Nondefinitive Spec/std Data1 CLASS AND A STYLE AND 1 TYPE
MaterialIRON OR STEEL
Surface TreatmentCADMIUM OR ZINC
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
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
5975-00-280-7196 INTERCHANGEABLE
Box Connector,electrical
5975-00-556-0412 INTERCHANGEABLE
Box Connector,electrical
Cross-Reference Index
Part NumberManufacturer
AA50552 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
FED-STD-157 Federal Standards Promulgated by General Services Administration Washington DC
AA50552-00I-1-A-D-SZ2.000 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
W-F-406 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
SC-200 Neer Mfg Co Inc (USA)
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
5975-00-280-7196INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
5975-00-556-0412INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
5975-00-665-0113INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
7025-01-486-5290INTERCHANGEABLE
OPTICAL READER,DATA ENTRY
SC-200

Frequently Asked Questions

What is NSN 5975-00-280-6139?

NSN 5975-00-280-6139 is a Box Connector,electrical, manufactured by Federal Commercial Item Description Promulgated by General Services Administration Washington DC, classified under FSC 5975 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5975-00-280-6139?

NSN 5975-00-280-6139 has 5 cross-referenced part numbers: AA50552 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), FED-STD-157 (Federal Standards Promulgated by General Services Administration Washington DC), AA50552-00I-1-A-D-SZ2.000 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), W-F-406 (Federal Specifications Promulgated by General Services Administration Washington DC), SC-200 (Neer Mfg Co Inc).

What NSN replaces 5975-00-280-6139?

There are 12 known substitutes for 5975-00-280-6139: 5975-00-152-1046, 5975-00-152-1072, 5975-00-152-1123 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AA50552?

Key specifications for AA50552: Item Accommodated Trade Size: 2.000 INCHES FIRST END IN; End Type: EXTERNAL THREAD SECOND END; Style Designator: SCREW CLAMP; End Type: SQUEEZE FIRST END. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5975-00-280-6139 still in active supply?

NSN 5975-00-280-6139 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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