The Valve,purge, cataloged under National Stock Number 4820-01-663-4819, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Calgon Carbon Uv Technologies Llc Dba Hyde Marine. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-663-4819 |
| Primary Part Number | 552225 |
| Item Name | Valve,purge |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Calgon Carbon Uv Technologies Llc Dba Hyde Marine |
| 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 |
NSN 4820-01-663-4819 is a Valve,purge, manufactured by Calgon Carbon Uv Technologies Llc Dba Hyde Marine, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-663-4819 has 3 manufacturer part numbers on file: 161792 (Optimarin As), 552225 (Calgon Carbon Uv Technologies Llc Dba Hyde Marine), 45051089 (Cathelco Ltd).
Key specifications for 552225: Special Features: VENT-1;ATEX; Part Name Assigned by Controlling Agency: EPV-6000 PURGE VENT; End Item Identification: RFA WAVE KNIGHT. 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.