The Demineralizer,water,ion Exchange, cataloged under National Stock Number 4610-01-528-6639, is classified within Federal Supply Class 4610 (Water Purification Equipment) of the Water Purification and Sewage Treatment group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 2 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Demineralizer,water,ion Exchange |
| FSC / FSG | 4610 — Water Purification Equipment (FSG 46) |
| Manufacturers | Naval Inventory Control Point Mechanicsburg (CAGE 03950) |
| Parameter | Value |
|---|---|
| NSN | 4610-01-528-6639 |
| Primary Part Number | D-5855-DAITEMDM |
| Item Name | Demineralizer,water,ion Exchange |
| FSC / FSG | 4610 / 46 — Water Purification Equipment |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL F — Mutilate — Cut |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| D-5855-DAITEMDM | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| D-5855-DAITEMDM | 5/1 Secondary reference U.S. Government activity |
| D-5799 DETAIL Y RIGHT | 3/9 Design control — primary reference Ge-Hitachi Nuclear Energy Americas Llc Dba Geh |
NSN 4610-01-528-6639 is a Demineralizer,water,ion Exchange, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4610, Water Purification Equipment. Status: active.
NSN 4610-01-528-6639 has 1 manufacturer part number on file: D-5855-DAITEMDM (Naval Inventory Control Point Mechanicsburg).
Key specifications for D-5855-DAITEMDM: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. 2 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.
NSN 4610-01-528-6639 has DEMIL Code F. Demilitarization may be required before disposal or transfer to non-military entities.
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.