The Tube,metallic, cataloged under National Stock Number 4710-01-281-0899, is classified within Federal Supply Class 4710 (Pipe, Tube and Rigid Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Aqua-Chem, Inc. Dba Aqua-Chem Inc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4710-01-281-0899 |
| Primary Part Number | 939-00294-000 |
| Item Name | Tube,metallic |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Aqua-Chem, Inc. Dba Aqua-Chem Inc |
| Status | ACTIVE |
| First End Style | PLAIN |
| Diameter | 4.000 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | PLAIN ROUND |
| Second End Relationship with First End | IDENTICAL |
| Construction | SEAMLESS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 939-00294-000 PRIMARY | Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA) |
| Reference | Meaning |
|---|---|
| 633-8156-46 | 5/9 Secondary reference Aqua-Chem, Inc. |
| 939-00294-0001 | 5/9 Secondary reference Aqua-Chem, Inc. |
| 939-294 | 5/9 Secondary reference Aqua-Chem, Inc. |
| 939-00294-000 | 3/9 Design control — primary reference Aqua-Chem, Inc. |
| 939-000294-000 | 5/9 Secondary reference Aqua-Chem, Inc. |
| 939-99294-000 | 5/9 Secondary reference Aqua-Chem, Inc. |
| 633-08156-046 | 5/9 Secondary reference Aqua-Chem, Inc. |
NSN 4710-01-281-0899 is a Tube,metallic, manufactured by Aqua-Chem, Inc. Dba Aqua-Chem Inc, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-281-0899 has 1 manufacturer part number on file: 939-00294-000 (Aqua-Chem, Inc. Dba Aqua-Chem Inc).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-360-7889. Verify interchangeability with system specifications before substitution.
Key specifications for 939-00294-000: First End Style: PLAIN; Diameter: 4.000 INCHES NOMINAL IN; Cross-Sectional Shape Style: PLAIN ROUND; Second End Relationship with First End: IDENTICAL. 5 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.