The Tube,bent,metallic, cataloged under National Stock Number 4710-01-266-9631, 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 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Tube,bent,metallic |
| 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 | 4710-01-266-9631 |
| Primary Part Number | E-174-653 TUBE MK 15-18SHT 20F2 |
| Item Name | Tube,bent,metallic |
| 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 |
|---|---|
| E-174-653 TUBE MK 15-18SHT 20F2 PRIMARY | Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric (USA) |
| E-174-653-18 | Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric (USA) |
| E-174-653 TUBE MK 15 AND 18 | Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric (USA) |
| E-174-653-15 | Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric (USA) |
| Reference | Meaning |
|---|---|
| E-174-653 MK 15 | C/1 Advisory reference — outside the item-of-supply concept Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric |
| E-174-653 | D/9 Drawing number reference only Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric |
NSN 4710-01-266-9631 is a Tube,bent,metallic, 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 4710-01-266-9631 has 4 manufacturer part numbers on file: E-174-653 TUBE MK 15-18SHT 20F2 (Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric), E-174-653-18 (Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric), E-174-653 TUBE MK 15 AND 18 (Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric), E-174-653-15 (Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric).
2 possible matches (shared part number, not a government interchangeability claim): 4710-01-266-9632, 4710-01-267-2601. 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.