PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-T-20168Tube,metallic

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 4710-00-203-6829 · FSC 4710 · No Item Name Available
Verified by PartsTable
NSN 4710-00-203-6829 — this item is cataloged by the U.S. Government under National Stock Number 4710-00-203-6829. Primary manufacturer part number: MIL-T-20168.
Features
  • Tube,metallic — FSC 4710
  • Diameter: 0.675 INCHES NOMINAL IN
  • First End Style: PLAIN
  • Construction: SEAMLESS
  • Material: COPPER ALLOY
  • Second End Relationship with First End: IDENTICAL
  • Wall Thickness: 0.065 INCHES NOMINAL IN
  • Measuring Method and Length: 144.000 INCHES MINIMUM RANDOM AND 240.000 INCHES MAXIMUM RANDOM IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy construction
General Description

The Tube,metallic, cataloged under National Stock Number 4710-00-203-6829, 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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 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: Active.

Technical Specifications
ParameterValue
NSN4710-00-203-6829
Primary Part NumberMIL-T-20168
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
StatusACTIVE
Diameter0.675 INCHES NOMINAL IN
First End StylePLAIN
ConstructionSEAMLESS
MaterialCOPPER ALLOY
Second End Relationship with First EndIDENTICAL
Wall Thickness0.065 INCHES NOMINAL IN
Measuring Method and Length144.000 INCHES MINIMUM RANDOM AND 240.000 INCHES MAXIMUM RANDOM IN
Cross-Sectional Shape StylePLAIN ROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4710-00-203-6812 INTERCHANGEABLE
Tube,metallic
4710-00-203-6813 INTERCHANGEABLE
Tube,metallic
4710-00-203-6814 INTERCHANGEABLE
Tube,metallic
4710-00-203-6815 INTERCHANGEABLE
Pipe,metallic
4710-00-203-6816 INTERCHANGEABLE
Tube,metallic
4710-00-203-6817 INTERCHANGEABLE
Tube,metallic
4710-00-203-6818 INTERCHANGEABLE
Tube,metallic
4710-00-203-6819 INTERCHANGEABLE
Pipe,metallic
4710-00-203-6820 INTERCHANGEABLE
Tube,metallic
4710-00-203-6826 INTERCHANGEABLE
Tube,metallic
Cross-Reference Index
Part NumberManufacturer
MIL-T-20168 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
ASTM B43 American Society for Testing and Materials Dba Astm International (USA)
Related Parts
4710-00-203-6812INTERCHANGEABLE
TUBE,METALLIC
4710-00-203-6813INTERCHANGEABLE
TUBE,METALLIC
4710-00-203-6814INTERCHANGEABLE
TUBE,METALLIC
4710-00-203-6815INTERCHANGEABLE
PIPE,METALLIC
4710-00-203-6816INTERCHANGEABLE
TUBE,METALLIC
4710-00-203-6817INTERCHANGEABLE
TUBE,METALLIC
4710-00-203-6818INTERCHANGEABLE
TUBE,METALLIC
4710-00-203-6819INTERCHANGEABLE
PIPE,METALLIC
4710-00-203-6820INTERCHANGEABLE
TUBE,METALLIC
4710-00-203-6826INTERCHANGEABLE
TUBE,METALLIC
4710-00-203-6827INTERCHANGEABLE
TUBE,METALLIC
4710-00-203-6828INTERCHANGEABLE
TUBE,METALLIC

Frequently Asked Questions

What is NSN 4710-00-203-6829?

NSN 4710-00-203-6829 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: active.

What are the part numbers for NSN 4710-00-203-6829?

NSN 4710-00-203-6829 has 2 cross-referenced part numbers: MIL-T-20168 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), ASTM B43 (American Society for Testing and Materials Dba Astm International).

What NSN replaces 4710-00-203-6829?

There are 12 known substitutes for 4710-00-203-6829: 4710-00-203-6812, 4710-00-203-6813, 4710-00-203-6814 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-T-20168?

Key specifications for MIL-T-20168: Diameter: 0.675 INCHES NOMINAL IN; First End Style: PLAIN; Construction: SEAMLESS; Material: COPPER ALLOY. 8 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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