The Tube,diffuser,ejector, cataloged under National Stock Number 4710-01-202-2089, 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 DC Fabricators Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-01-202-2089 |
| Primary Part Number | EW-99EJ |
| Item Name | Tube,diffuser,ejector |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | DC Fabricators Inc |
| Status | ACTIVE |
| General Characteristics Item Description | MATL STAINLESS STEEL ASTM A276 TYPE 304;23 LBS LBS |
| 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 |
|---|---|
| EW-99EJ PRIMARY | DC Fabricators Inc (USA) |
| Reference | Meaning |
|---|---|
| EW-99EJ | 5/9 Secondary reference Siemens Energy, Inc. |
| EW-2200R PIECE 815 | 5/9 Secondary reference Siemens Energy, Inc. |
| EW-2200R | D/9 Drawing number reference only Siemens Energy, Inc. |
NSN 4710-01-202-2089 is a Tube,diffuser,ejector, manufactured by DC Fabricators Inc, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-202-2089 has 1 manufacturer part number on file: EW-99EJ (DC Fabricators Inc).
Key specifications for EW-99EJ: General Characteristics Item Description: MATL STAINLESS STEEL ASTM A276 TYPE 304;23 LBS LBS. 1 specification is 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.