The Distillation Unit,water,steam Op, cataloged under National Stock Number 4620-01-477-2963, is classified within Federal Supply Class 4620 (Water Distillation Equipment, Marine and Industrial) of the Water Purification and Sewage Treatment group. The manufacturer of record is Grafo Colloids Corp. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4620-01-477-2963 |
| Primary Part Number | 8719174 |
| Item Name | Distillation Unit,water,steam Op |
| FSC / FSG | 4620 / 46 — Water Distillation Equipment, Marine and Industrial |
| Manufacturer | Grafo Colloids Corp |
| 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 |
|---|---|
| 8719174 PRIMARY | Grafo Colloids Corp (USA) |
| Reference | Meaning |
|---|---|
| JWP-26-C80 4379GPD | 3/1 Design control — primary reference Alfa Laval Inc |
NSN 4620-01-477-2963 is a Distillation Unit,water,steam Op, manufactured by Grafo Colloids Corp, classified under FSC 4620, Water Distillation Equipment, Marine and Industrial. Status: active.
NSN 4620-01-477-2963 has 1 manufacturer part number on file: 8719174 (Grafo Colloids Corp).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-533-4502. Verify interchangeability with system specifications before substitution.
Key specifications for 8719174: Part Name Assigned by Controlling Agency: INAVY: DISTILLER, FRESH WATER; End Item Identification: DISTILLATION PLANT,FRESH WATER. 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.