PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AA50553-1-2-K-01-SCoupling,electrical Conduit

Federal Commercial Item Description Promulgated by General Services Administration Washington DC · NSN 5975-00-665-3158 · FSC 5975 · No Item Name Available
Verified by PartsTable
NSN 5975-00-665-3158 — this item is cataloged by the U.S. Government under National Stock Number 5975-00-665-3158. Primary manufacturer part number: AA50553-1-2-K-01-S.
Features
  • Coupling,electrical Conduit — FSC 5975
  • Conduit Type Accommodated: RIGID METALLIC THINWALL FIRST END
  • Surface Treatment: CADMIUM OR ZINC
  • Item Accommodated Trade Size: 0.500 INCHES FIRST END IN
  • End Type: STRAIGHT BORE SECOND END
  • Nondefinitive Spec/std Data: 2 CLASS AND K KIND AND 0.500 IN. SIZE AND 2 TYPE IN
  • Item Accommodated Trade Size: 0.500 INCHES SECOND END IN
  • Hazardous Locations/environmental Protection: CEMENT TIGHT
Applications
  • Applications requiring Iron or Steel construction
General Description

The Coupling,electrical Conduit, cataloged under National Stock Number 5975-00-665-3158, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5975-00-665-3158
Primary Part NumberAA50553-1-2-K-01-S
Item NameCoupling,electrical Conduit
FSC / FSG5975 / 59 — No Item Name Available
ManufacturerFederal Commercial Item Description Promulgated by General Services Administration Washington DC
StatusCANCELLED
Conduit Type AccommodatedRIGID METALLIC THINWALL FIRST END
Surface TreatmentCADMIUM OR ZINC
Item Accommodated Trade Size0.500 INCHES FIRST END IN
End TypeSTRAIGHT BORE SECOND END
Nondefinitive Spec/std Data2 CLASS AND K KIND AND 0.500 IN. SIZE AND 2 TYPE IN
Item Accommodated Trade Size0.500 INCHES SECOND END IN
Hazardous Locations/environmental ProtectionCEMENT TIGHT
Style DesignatorTHREADED
End TypeSTRAIGHT BORE FIRST END
MaterialIRON OR STEEL
Conduit Type AccommodatedRIGID METALLIC THINWALL SECOND END
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5975-00-100-8714 INTERCHANGEABLE
Coupling,electrical Conduit
Cross-Reference Index
Part NumberManufacturer
AA50553-1-2-K-01-S Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
WF408 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
FEDSTD156 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
A-A-50553 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
Related Parts
5975-00-100-8714INTERCHANGEABLE
COUPLING,ELECTRICAL CONDUIT

Frequently Asked Questions

What is NSN 5975-00-665-3158?

NSN 5975-00-665-3158 is a Coupling,electrical Conduit, 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 5975-00-665-3158?

NSN 5975-00-665-3158 has 4 cross-referenced part numbers: AA50553-1-2-K-01-S (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), WF408 (Federal Specifications Promulgated by General Services Administration Washington DC), FEDSTD156 (Federal Specifications Promulgated by General Services Administration Washington DC), A-A-50553 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC).

What NSN replaces 5975-00-665-3158?

There is 1 known substitute for 5975-00-665-3158: 5975-00-100-8714. Verify interchangeability with system specifications before substitution.

What are the specifications of AA50553-1-2-K-01-S?

Key specifications for AA50553-1-2-K-01-S: Conduit Type Accommodated: RIGID METALLIC THINWALL FIRST END; Surface Treatment: CADMIUM OR ZINC; Item Accommodated Trade Size: 0.500 INCHES FIRST END IN; End Type: STRAIGHT BORE SECOND END. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5975-00-665-3158 still in active supply?

NSN 5975-00-665-3158 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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