The Demineralizer,water,ion Exchange, cataloged under National Stock Number 4610-01-697-0120, is classified within Federal Supply Class 4610 (Water Purification Equipment) of the Water Purification and Sewage Treatment group. The manufacturer of record is Atlantic Metalcraft Co. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Demineralizer,water,ion Exchange |
| FSC / FSG | 4610 — Water Purification Equipment (FSG 46) |
| Manufacturers | Atlantic Metalcraft Co (CAGE 1SJJ7); Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (CAGE 10001) |
| Parameter | Value |
|---|---|
| NSN | 4610-01-697-0120 |
| Primary Part Number | VHP-3SMXX |
| Item Name | Demineralizer,water,ion Exchange |
| FSC / FSG | 4610 / 46 — Water Purification Equipment |
| Manufacturer | Atlantic Metalcraft Co |
| 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 |
|---|---|
| VHP-3SMXX PRIMARY | Atlantic Metalcraft Co (USA) |
| 3257600-1 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 3257600 | C/1 Advisory reference — outside the item-of-supply concept Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 4610-01-697-0120 is a Demineralizer,water,ion Exchange, manufactured by Atlantic Metalcraft Co, classified under FSC 4610, Water Purification Equipment. Status: active.
NSN 4610-01-697-0120 has 2 manufacturer part numbers on file: VHP-3SMXX (Atlantic Metalcraft Co), 3257600-1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
1 possible match (shared part number, not a government interchangeability claim): 4610-01-700-1113. 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.