The Heat Exchanger Nsc, cataloged under National Stock Number 4420-01-549-9103, is classified within Federal Supply Class 4420 (Heat Exchangers and Steam Condensers) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Elwa Elektro-Waerme Muenchen a. Hilpoltsteiner Gmbh & Co. Kg. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4420-01-549-9103 |
| Primary Part Number | 4696 |
| Item Name | Heat Exchanger Nsc |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | Elwa Elektro-Waerme Muenchen a. Hilpoltsteiner Gmbh & Co. Kg |
| 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 |
|---|---|
| 4696 | Elwa Elektro-Waerme Muenchen a. Hilpoltsteiner Gmbh & Co. Kg (DEU) |
| Reference | Meaning |
|---|---|
| 9990-0089-744 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4420-01-549-9103 is a Heat Exchanger Nsc, manufactured by Elwa Elektro-Waerme Muenchen a. Hilpoltsteiner Gmbh & Co. Kg, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-01-549-9103 has 1 manufacturer part number on file: 4696 (Elwa Elektro-Waerme Muenchen a. Hilpoltsteiner Gmbh & Co. Kg).
2 possible matches (shared part number, not a government interchangeability claim): 6520-01-556-0843, 5130-01-648-4009. Verify interchangeability with system specifications before substitution.
Key specifications for 4696: End Item Identification: NSC INSURANCE SPARES. 0 specifications are 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.