The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-901-6904, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-901-6904 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Valve Stem Design | SINGLE SEAT |
| Renewable Seat Ring Type | ANY ACCEPTABLE |
| Second End Relationship with First End | IDENTICAL |
| Body Style | TEE |
| Regulation Type | AUTOMATIC SINGLE STAGE |
| Third End Relationship with Preceding Ends | IDENTICAL WITH FIRST END |
| First End Style Designator | BEVELED |
| End Connection Quantity | 3 |
| Outlet Pressure Range | 108.0 TO 225.0 CAMERA MOUNT |
| Valve Loading Method | SPRING |
| First End Connection Type | BUTT WELD TUBE |
| First End Outside Diameter Tube Accommodated | 0.875 INCHES NOMINAL IN |
| Material | BRASS SEAT |
| Material | COPPER ALLOY STEM |
| Outlet Pressure Accuracy Rating | ERR-060 |
| Media for Which Designed | MONOCHLORODIFLUOROMETHANE |
| Maximum Inlet Pressure Rating | ERR-060 |
| 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 |
|---|---|
| A52088 | 5/9 Secondary reference Drs Environmental Systems Inc |
| A52088 | 3/9 Design control — primary reference U.S. Government activity |
| A52088 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-00-901-6904 is a Valve,regulating,fluid Pressure, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-00-901-6904: Valve Stem Design: SINGLE SEAT; Renewable Seat Ring Type: ANY ACCEPTABLE; Second End Relationship with First End: IDENTICAL; Body Style: TEE. 18 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.