PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ST41D25-1Elbow,electrical Conduit

Lockheed Martin Corp · NSN 5975-00-280-9221 · FSC 5975 · No Item Name Available
Verified by PartsTable
NSN 5975-00-280-9221 — this item is cataloged by the U.S. Government under National Stock Number 5975-00-280-9221. Primary manufacturer part number: ST41D25-1.
Features
  • Elbow,electrical Conduit — FSC 5975
  • Conduit Type Accommodated: RIGID METALLIC THICKWALL FIRST END
  • Conduit Type Accommodated: RIGID METALLIC THICKWALL SECOND END
  • Surface Treatment: ZINC
  • Hazardous Locations/environmental Protection: EXPLOSION PROOF NEC CL.I, GP.BCD;CL.II, GP.EFG;CL.III
  • End Type: EXTERNAL THREAD FIRST END
  • Material: IRON MALLEABLE
  • Leg End to Plane of Bend Distance: 1.000 INCHES NOMINAL SECOND END IN
Applications
  • Applications requiring Iron Malleable construction
General Description

The Elbow,electrical Conduit, cataloged under National Stock Number 5975-00-280-9221, 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 Lockheed Martin Corp. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 8 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
NSN5975-00-280-9221
Primary Part NumberST41D25-1
Item NameElbow,electrical Conduit
FSC / FSG5975 / 59 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusCANCELLED
Conduit Type AccommodatedRIGID METALLIC THICKWALL FIRST END
Conduit Type AccommodatedRIGID METALLIC THICKWALL SECOND END
Surface TreatmentZINC
Hazardous Locations/environmental ProtectionEXPLOSION PROOF NEC CL.I, GP.BCD;CL.II, GP.EFG;CL.III
End TypeEXTERNAL THREAD FIRST END
MaterialIRON MALLEABLE
Leg End to Plane of Bend Distance1.000 INCHES NOMINAL SECOND END IN
Item Accommodated Trade Size0.500 INCHES SECOND END IN
Style DesignatorSTANDARD
End TypeINTERNAL THREAD SECOND END
Leg End to Plane of Bend Distance1.000 INCHES NOMINAL FIRST END IN
Item Accommodated Trade Size0.500 INCHES FIRST END IN
Deflection Angle90.0 DEGREES
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3120-00-083-83675502-5 INTERCHANGEABLE
Bushing,sleeve
Goodrich Aerospace Canada Ltd
6740-00-110-6608A-337 INTERCHANGEABLE
Blade,lower Left
Hollywood Film Company Manufacturing
4730-00-266-0538SAE J513 6-4 010102BA INTERCHANGEABLE
Adapter,straight,pipe to Tube
Sae International Dba Sae International
2530-00-383-4812FF1722 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
5935-00-501-8025UG-999A/U INTERCHANGEABLE
Adapter,connector
Joint Electronics Type Designation System
5330-00-641-31221B4868 INTERCHANGEABLE
Seal,plain Encased
Caterpillar Inc Div Caterpillar Defense
5355-00-667-54471722 INTERCHANGEABLE
Window,dial
Northrop Grumman Systems Corporation
5950-00-696-2172WM-1722 INTERCHANGEABLE
Transformer
Magnetic Components Inc
4820-00-765-7994 INTERCHANGEABLE
Valve,check
5620-00-982-8182 INTERCHANGEABLE
Glass,sheet
Cross-Reference Index
Part NumberManufacturer
ST41D25-1 Lockheed Martin Corp (USA)
1722 Raco, a Division of Hubbell Incorporated(delaware) (USA)
8485191 Us Army Aviation and Missile Command (USA)
55025 Mine Safety Appliances Company (USA)
8161789 Us Army Aviation and Missile Command (USA)
ELMF90-50 Egs Electrical Group Appleton Div (USA)
4250 Abb Installation Products Inc (USA)
EL196 Crouse-Hinds Co (USA)
8-50 Egs Electric Co Llc (USA)
Related Parts
3120-00-083-8367INTERCHANGEABLE
BUSHING,SLEEVE
5502-5
6740-00-110-6608INTERCHANGEABLE
BLADE,LOWER LEFT
A-337
4730-00-266-0538INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
SAE J513 6-4 010102BA
2530-00-383-4812INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
FF1722
5935-00-501-8025INTERCHANGEABLE
ADAPTER,CONNECTOR
UG-999A/U
5330-00-641-3122INTERCHANGEABLE
SEAL,PLAIN ENCASED
1B4868
5355-00-667-5447INTERCHANGEABLE
WINDOW,DIAL
1722
5950-00-696-2172INTERCHANGEABLE
TRANSFORMER
WM-1722
4820-00-765-7994INTERCHANGEABLE
VALVE,CHECK
5620-00-982-8182INTERCHANGEABLE
GLASS,SHEET
5360-00-998-4881INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
55025
5133-01-068-4027INTERCHANGEABLE
DRILL,TWIST

Frequently Asked Questions

What is NSN 5975-00-280-9221?

NSN 5975-00-280-9221 is a Elbow,electrical Conduit, manufactured by Lockheed Martin Corp, classified under FSC 5975 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5975-00-280-9221?

NSN 5975-00-280-9221 has 9 cross-referenced part numbers: ST41D25-1 (Lockheed Martin Corp), 1722 (Raco, a Division of Hubbell Incorporated(delaware)), 8485191 (Us Army Aviation and Missile Command), 55025 (Mine Safety Appliances Company), 8161789 (Us Army Aviation and Missile Command) and 4 more.

What NSN replaces 5975-00-280-9221?

There are 12 known substitutes for 5975-00-280-9221: 3120-00-083-8367, 6740-00-110-6608, 4730-00-266-0538 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ST41D25-1?

Key specifications for ST41D25-1: Conduit Type Accommodated: RIGID METALLIC THICKWALL FIRST END; Conduit Type Accommodated: RIGID METALLIC THICKWALL SECOND END; Surface Treatment: ZINC; Hazardous Locations/environmental Protection: EXPLOSION PROOF NEC CL.I, GP.BCD;CL.II, GP.EFG;CL.III. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5975-00-280-9221 still in active supply?

NSN 5975-00-280-9221 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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