The Valve,safety Relief, cataloged under National Stock Number 4820-00-869-3136, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Dresser, Llc. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-869-3136 |
| Primary Part Number | 0A78025 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Dresser, Llc |
| Status | ACTIVE |
| Flow Control Device | POPPET |
| Flange Shape | OVAL WITH HOLES FIRST END |
| Furnished Items and Quantity | 1 PLUGGED DRAIN |
| Flange Face Design | PLAIN FIRST END |
| Connection Type | FLANGE FIRST END |
| Style Designator | ANGLE |
| Bolt Hole Nominal Diameter | 0.375 INCHES FIRST END IN |
| Adjustable Pressure Range | +70.0 TO 75.0 POUNDS PER SQUARE INCH LBS |
| Features Provided | VALVE STEM LOCK SHIELD |
| Bonnet Type | INSIDE SPRING |
| Disk Loading Method | SPRING |
| Bolt Hole Quantity | 2 FIRST END |
| Bonnet Attachment Method | INTEGRAL |
| Valve Operation Method | AUTOMATIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 0A78025 PRIMARY | Dresser, Llc (USA) |
NSN 4820-00-869-3136 is a Valve,safety Relief, manufactured by Dresser, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-869-3136 has 1 manufacturer part number on file: 0A78025 (Dresser, Llc).
Key specifications for 0A78025: Flow Control Device: POPPET; Flange Shape: OVAL WITH HOLES FIRST END; Furnished Items and Quantity: 1 PLUGGED DRAIN; Flange Face Design: PLAIN FIRST END. 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.