The Tube Assembly,finned, cataloged under National Stock Number 4710-01-295-7643, 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 Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Tube Assembly,finned |
| FSC / FSG | 4710 — Pipe, Tube and Rigid Tubing (FSG 47) |
| Manufacturers | Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric (CAGE 11440) |
| Parameter | Value |
|---|---|
| NSN | 4710-01-295-7643 |
| Primary Part Number | D-173-938 PIECE 509 |
| Item Name | Tube Assembly,finned |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric |
| Status | ACTIVE |
| 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 |
|---|---|
| D-173-938 PIECE 509 PRIMARY | Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric (USA) |
| Reference | Meaning |
|---|---|
| D-173-938 | D/9 Drawing number reference only Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric |
NSN 4710-01-295-7643 is a Tube Assembly,finned, manufactured by Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-295-7643 has 1 manufacturer part number on file: D-173-938 PIECE 509 (Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric).
1 possible match (shared part number, not a government interchangeability claim): 4710-01-297-0295. Verify interchangeability with system specifications before substitution.
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.