The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-083-0993, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-00-083-0993 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Flow Control Device | BELLOWS |
| Second End Relationship with First End | IDENTICAL |
| Remote Actuation Method | BELLOWS |
| Body Style | ANGLE |
| Regulation Type | MANUAL SINGLE STAGE |
| First End Style Designator | CRIMPED |
| End Connection Quantity | 2 |
| Valve Loading Method | SPRING |
| First End Outside Diameter Tube Accommodated | 0.875 INCHES NOMINAL IN |
| Material | BRASS SEAT |
| Material | COPPER ALLOY FLOW CONTROL DEVICE |
| Material | COPPER ALLOY STEM |
| Media for Which Designed | WATER, OIL OR GAS |
| Filter | NOT INCLUDED |
| 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 |
|---|---|
| FC2-4-1 | 3/2 Design control — primary reference U.S. Government activity |
| 237ALDEVN060535 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-00-083-0993 is a Valve,regulating,fluid Pressure, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-00-083-0993: Flow Control Device: BELLOWS; Second End Relationship with First End: IDENTICAL; Remote Actuation Method: BELLOWS; Body Style: ANGLE. 14 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.