PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-T-3520Tube,metallic

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 4710-00-289-8166 · FSC 4710 · No Item Name Available
Verified by PartsTable
NSN 4710-00-289-8166 — this item is cataloged by the U.S. Government under National Stock Number 4710-00-289-8166. Primary manufacturer part number: MIL-T-3520.
Features
  • Tube,metallic — FSC 4710
  • Second End Relationship with First End: IDENTICAL
  • Construction: STRAIGHT SEAMED
  • Welding Method: DOUBLE SUBMERGED ARC
  • Material: STEEL
  • Measuring Method and Length: 600.000 INCHES NOMINAL SPECIFIC IN
  • First End Style: PLAIN
  • Wall Thickness: 0.033 INCHES NOMINAL IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel construction
General Description

The Tube,metallic, cataloged under National Stock Number 4710-00-289-8166, is classified within Federal Supply Class 4710 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 13 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4710-00-289-8166
Primary Part NumberMIL-T-3520
Item NameTube,metallic
FSC / FSG4710 / 47 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Second End Relationship with First EndIDENTICAL
ConstructionSTRAIGHT SEAMED
Welding MethodDOUBLE SUBMERGED ARC
MaterialSTEEL
Measuring Method and Length600.000 INCHES NOMINAL SPECIFIC IN
First End StylePLAIN
Wall Thickness0.033 INCHES NOMINAL IN
Surface TreatmentCOPPER OUTSIDE
Cross-Sectional Shape StylePLAIN ROUND
Diameter0.375 INCHES NOMINAL IN
Nondefinitive Spec/std Data8 CLASS OR 3 TYPE
Surface TreatmentCOPPER INSIDE
Specification/standard Data81349-MIL-T-3520 GOVERNMENT SPECIFICATION
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4710-00-200-0298 INTERCHANGEABLE
Tube,metallic
4710-00-200-0305 INTERCHANGEABLE
Tube,metallic
4710-00-289-4104 INTERCHANGEABLE
Tube,metallic
4710-00-289-410844-8310-500-010 INTERCHANGEABLE
Tube,metallic
Chief of Engineers Dept of Army
4710-00-289-8164 INTERCHANGEABLE
Tube,metallic
4710-00-289-8169 INTERCHANGEABLE
Tube,metallic
4710-00-335-2610 INTERCHANGEABLE
Tube,metallic
4710-00-350-9896 INTERCHANGEABLE
Tube,metallic
4710-00-350-9897 INTERCHANGEABLE
Tube,metallic
4710-00-541-68871756543 INTERCHANGEABLE
Tube,metallic
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
MIL-T-3520 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M3520-B80E04G50 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
ASTM A254 American Society for Testing and Materials Dba Astm International (USA)
Related Parts
4710-00-200-0298INTERCHANGEABLE
TUBE,METALLIC
4710-00-200-0305INTERCHANGEABLE
TUBE,METALLIC
4710-00-289-4104INTERCHANGEABLE
TUBE,METALLIC
4710-00-289-4108INTERCHANGEABLE
TUBE,METALLIC
44-8310-500-010
4710-00-289-8164INTERCHANGEABLE
TUBE,METALLIC
4710-00-289-8169INTERCHANGEABLE
TUBE,METALLIC
4710-00-335-2610INTERCHANGEABLE
TUBE,METALLIC
4710-00-350-9896INTERCHANGEABLE
TUBE,METALLIC
4710-00-350-9897INTERCHANGEABLE
TUBE,METALLIC
4710-00-541-6887INTERCHANGEABLE
TUBE,METALLIC
1756543
4710-00-640-5415INTERCHANGEABLE
TUBE,METALLIC
11639723
4710-00-880-1091INTERCHANGEABLE
TUBE,METALLIC

Frequently Asked Questions

What is NSN 4710-00-289-8166?

NSN 4710-00-289-8166 is a Tube,metallic, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 4710 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4710-00-289-8166?

NSN 4710-00-289-8166 has 3 cross-referenced part numbers: MIL-T-3520 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M3520-B80E04G50 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), ASTM A254 (American Society for Testing and Materials Dba Astm International).

What NSN replaces 4710-00-289-8166?

There are 12 known substitutes for 4710-00-289-8166: 4710-00-200-0298, 4710-00-200-0305, 4710-00-289-4104 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-T-3520?

Key specifications for MIL-T-3520: Second End Relationship with First End: IDENTICAL; Construction: STRAIGHT SEAMED; Welding Method: DOUBLE SUBMERGED ARC; Material: STEEL. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4710-00-289-8166 still in active supply?

NSN 4710-00-289-8166 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.
PartsTable Design LLC · partstable.com