The Tube Assembly,metal, cataloged under National Stock Number 4710-01-074-6681, is classified within Federal Supply Class 4710 (Pipe, Tube and Rigid Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-01-074-6681 |
| Item Name | Tube Assembly,metal |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Status | ACTIVE |
| Design Form | PREBENT |
| Mating End Quantity | 1 SECOND END |
| Mating End Quantity | 1 FIRST END |
| Bolt Hole Diameter | 0.555 INCHES NOMINAL SINGLE END IN |
| Wall Thickness | 0.083 INCHES NOMINAL IN |
| End Connection Style | PLAIN SECOND END |
| End Connection Style | UNTHREADED EXTERNAL FIRST END |
| Tube Outside Diameter | 1.060 INCHES NOMINAL IN |
| Bolt Hole Quantity | 4 SINGLE END |
| Bolt Circle Diameter | 3.116 INCHES NOMINAL SINGLE END IN |
| Material | COPPER ALLOY SINGLE END |
| Material | COPPER ALLOY TUBING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 6420B | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| 6420B | 5/9 Secondary reference U.S. Government activity |
| 295025J1 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| 200114L PC843 | 5/9 Secondary reference U.S. Government activity |
| 295025J1 | 3/9 Design control — primary reference Siemens Energy, Inc. Dba Dresser-Rand |
| 200114L | D/9 Drawing number reference only U.S. Government activity |
NSN 4710-01-074-6681 is a Tube Assembly,metal, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 3110-01-239-9261. Verify interchangeability with system specifications before substitution.
Key specifications for 4710-01-074-6681: Design Form: PREBENT; Mating End Quantity: 1 SECOND END; Mating End Quantity: 1 FIRST END; Bolt Hole Diameter: 0.555 INCHES NOMINAL SINGLE END IN. 12 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.