The Valve,plug, cataloged under National Stock Number 4820-01-069-7644, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-069-7644 |
| Item Name | Valve,plug |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Operating Pressure | 50.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Operating Pressure | 90.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Maximum Operating Temp | 160.0 FAHRENHEIT SECOND RESPONSE DEGF |
| Maximum Operating Temp | 160.0 FAHRENHEIT FIRST RESPONSE DEGF |
| Media for Which Designed | OIL SECOND RESPONSE |
| Media for Which Designed | AIR FIRST RESPONSE |
| Material | COPPER ALLOY OVERALL |
| Valve Operation Method | MANUAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 715HTX4B | 3/9 Design control — primary reference U.S. Government activity |
| 2847168 | 7/1 Vendor item drawing reference Naval Sea Systems Command |
NSN 4820-01-069-7644 is a Valve,plug, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-069-7644: Operating Pressure: 50.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS; Operating Pressure: 90.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS; Maximum Operating Temp: 160.0 FAHRENHEIT SECOND RESPONSE DEGF; Maximum Operating Temp: 160.0 FAHRENHEIT FIRST RESPONSE DEGF. 8 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.