Measuring Method and Length: 15.00 INCHES NOMINAL LAYING IN
First End Inside Diameter: 1.1300 INCHES NOMINAL IN
First End Style: PLAIN
Second End Inside Diameter: 1.1300 INCHES NOMINAL IN
Cross-Sectional Shape Style: PLAIN ROUND
Operating Pressure: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
Second End Relationship with First End: IDENTICAL
Identification
NSN: 4710-01-686-3221
NIIN: 016863221
FSC: 4710 — Pipe, Tube and Rigid Tubing
FSG: 47 — Pipe, Tubing, Hose, and Fittings
General Description
The Tube,metallic, cataloged under National Stock Number 4710-01-686-3221, is classified within Federal Supply Class 4710 (Pipe, Tube and Rigid Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4710-01-686-3221
Item Name
Tube,metallic
FSC / FSG
4710 / 47 — Pipe, Tube and Rigid Tubing
Status
ACTIVE
Measuring Method and Length
15.00 INCHES NOMINAL LAYING IN
First End Inside Diameter
1.1300 INCHES NOMINAL IN
First End Style
PLAIN
Second End Inside Diameter
1.1300 INCHES NOMINAL IN
Cross-Sectional Shape Style
PLAIN ROUND
Operating Pressure
400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
Second End Relationship with First End
IDENTICAL
Second End Style
PLAIN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
SLHE 2
3/9Design control — primary reference
Doucette Industries, Inc.
No interchangeability data on file.
Other items in FSC 4710 — Pipe, Tube and Rigid Tubing
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4710-00-001-0080
TUBE ASSEMBLY,METAL
4710-00-001-0081
4710-00-001-0081 · Item name not on file
4710-00-001-0082
TUBE ASSEMBLY,METAL
4710-00-001-1229
TUBE ASSEMBLY,METAL
4710-00-001-1676
TUBE ASSEMBLY,METAL
4710-00-001-1686
TUBE ASSEMBLY,METAL
4710-00-001-1688
4710-00-001-1688 · Item name not on file
4710-00-001-1691
4710-00-001-1691 · Item name not on file
Frequently Asked Questions
What is NSN 4710-01-686-3221?
NSN 4710-01-686-3221 is a Tube,metallic, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
What are the specifications of 4710-01-686-3221?
Key specifications for 4710-01-686-3221: Measuring Method and Length: 15.00 INCHES NOMINAL LAYING IN; First End Inside Diameter: 1.1300 INCHES NOMINAL IN; First End Style: PLAIN; Second End Inside Diameter: 1.1300 INCHES NOMINAL IN. 8 specifications are documented in the U.S. Government catalog.
Is NSN 4710-01-686-3221 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.