PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

UL-6Conduit,metal,rigid

Underwriters Laboratories Inc · NSN 5975-00-228-0052 · FSC 5975 · No Item Name Available
Verified by PartsTable
NSN 5975-00-228-0052 — this item is cataloged by the U.S. Government under National Stock Number 5975-00-228-0052. Primary manufacturer part number: UL-6.
Features
  • Conduit,metal,rigid — FSC 5975
  • Nondefinitive Spec/std Data: 2-1/2 SIZE
  • Thread Series Designator: NPT BOTH ENDS
  • Length: 120.000 INCHES NOMINAL IN
  • Structural Design: THICKWALL
  • Material: STEEL BODY
  • Trade Size: 2.500
  • Style Designator: CONDUIT W/COUPLING
Applications
  • Applications requiring Steel Body construction
General Description

The Conduit,metal,rigid, cataloged under National Stock Number 5975-00-228-0052, 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 Underwriters Laboratories Inc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5975-00-228-0052
Primary Part NumberUL-6
Item NameConduit,metal,rigid
FSC / FSG5975 / 59 — No Item Name Available
ManufacturerUnderwriters Laboratories Inc
StatusCANCELLED
Nondefinitive Spec/std Data2-1/2 SIZE
Thread Series DesignatorNPT BOTH ENDS
Length120.000 INCHES NOMINAL IN
Structural DesignTHICKWALL
MaterialSTEEL BODY
Trade Size2.500
Style DesignatorCONDUIT W/COUPLING
Surface TreatmentZINC BODY
Thread Length1.570 INCHES NOMINAL BOTH ENDS IN
Outside Diameter2.875 INCHES NOMINAL IN
Nominal Thread Size2.500 INCHES BOTH ENDS IN
Inside Diameter2.469 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5975-00-285-0454 INTERCHANGEABLE
Nipple,electrical Conduit
5975-00-642-7252 INTERCHANGEABLE
Bend,electrical Conduit
5975-00-931-0774 INTERCHANGEABLE
Bend,electrical Conduit
Cross-Reference Index
Part NumberManufacturer
UL-6 Underwriters Laboratories Inc (USA)
ANSI UL6A Underwriters Laboratories Inc (USA)
WWC581 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5975-00-285-0454INTERCHANGEABLE
NIPPLE,ELECTRICAL CONDUIT
5975-00-642-7252INTERCHANGEABLE
BEND,ELECTRICAL CONDUIT
5975-00-931-0774INTERCHANGEABLE
BEND,ELECTRICAL CONDUIT

Frequently Asked Questions

What is NSN 5975-00-228-0052?

NSN 5975-00-228-0052 is a Conduit,metal,rigid, manufactured by Underwriters Laboratories Inc, classified under FSC 5975 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5975-00-228-0052?

NSN 5975-00-228-0052 has 3 cross-referenced part numbers: UL-6 (Underwriters Laboratories Inc), ANSI UL6A (Underwriters Laboratories Inc), WWC581 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5975-00-228-0052?

There are 3 known substitutes for 5975-00-228-0052: 5975-00-285-0454, 5975-00-642-7252, 5975-00-931-0774. Verify interchangeability with system specifications before substitution.

What are the specifications of UL-6?

Key specifications for UL-6: Nondefinitive Spec/std Data: 2-1/2 SIZE; Thread Series Designator: NPT BOTH ENDS; Length: 120.000 INCHES NOMINAL IN; Structural Design: THICKWALL. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5975-00-228-0052 still in active supply?

NSN 5975-00-228-0052 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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