The Stem,fluid Valve, cataloged under National Stock Number 4820-01-192-3590, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-192-3590 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Valve Type for Which Designed | RELIEF |
| Largest Outside Diameter | 2.000 INCHES NOMINAL IN |
| Stem Actuating End Type | THREADED INTERNALLY |
| Valve Model Number for Which Designed | BHD |
| Features Provided | UPPER STEM |
| Valve Size for Which Designed | 13.000 INCHES IN |
| Material | NICKEL ALLOY |
| 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 |
|---|---|
| 87643-7503 ITEM 11 | 5/9 Secondary reference U.S. Government activity |
| 4675697 ITEM 11 | 5/2 Secondary reference U.S. Government activity |
| 4675697-11 | 3/2 Design control — primary reference U.S. Government activity |
| 501-4675697 ITEM 11 | 3/2 Design control — primary reference U.S. Government activity |
| 501-4675697 | D/9 Drawing number reference only U.S. Government activity |
NSN 4820-01-192-3590 is a Stem,fluid Valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-192-3590: Valve Type for Which Designed: RELIEF; Largest Outside Diameter: 2.000 INCHES NOMINAL IN; Stem Actuating End Type: THREADED INTERNALLY; Valve Model Number for Which Designed: BHD. 7 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.