The Strainer Element,sediment, cataloged under National Stock Number 4730-01-079-7521, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Siemens Energy, Inc.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-079-7521 |
| Primary Part Number | 186A |
| Item Name | Strainer Element,sediment |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Siemens Energy, Inc. |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 186A PRIMARY | Siemens Energy, Inc. (USA) |
| EW2200TPC847 | DC Fabricators Inc (USA) |
| Reference | Meaning |
|---|---|
| EW2200TPC847 | 5/9 Secondary reference Siemens Energy, Inc. |
NSN 4730-01-079-7521 is a Strainer Element,sediment, manufactured by Siemens Energy, Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-079-7521 has 2 manufacturer part numbers on file: 186A (Siemens Energy, Inc.), EW2200TPC847 (DC Fabricators Inc).
2 possible matches (shared part number, not a government interchangeability claim): 6625-01-115-8550, 6635-01-698-4900. Verify interchangeability with system specifications before substitution.
Key specifications for 186A: Material: STEEL CORROSION RESISTING. 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.