The Tube,finned, cataloged under National Stock Number 4710-00-445-8817, 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 Air & Liquid Systems Corp Div Aerofin. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Tube,finned |
| FSC / FSG | 4710 — Pipe, Tube and Rigid Tubing (FSG 47) |
| Manufacturers | Air & Liquid Systems Corp Div Aerofin (CAGE 70141); Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric (CAGE 11440) |
| Parameter | Value |
|---|---|
| NSN | 4710-00-445-8817 |
| Primary Part Number | X7181-11X12 |
| Item Name | Tube,finned |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Air & Liquid Systems Corp Div Aerofin |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| X7181-11X12 PRIMARY | Air & Liquid Systems Corp Div Aerofin (USA) |
| X7181PC11-12 PRIMARY | Air & Liquid Systems Corp Div Aerofin (USA) |
| X7181PC11-12 | Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric (USA) |
| X7181-11 | Air & Liquid Systems Corp Div Aerofin (USA) |
NSN 4710-00-445-8817 is a Tube,finned, manufactured by Air & Liquid Systems Corp Div Aerofin, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-00-445-8817 has 4 manufacturer part numbers on file: X7181-11X12 (Air & Liquid Systems Corp Div Aerofin), X7181PC11-12 (Air & Liquid Systems Corp Div Aerofin), X7181PC11-12 (Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric), X7181-11 (Air & Liquid Systems Corp Div Aerofin).
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.