The Valve,safety Relief, cataloged under National Stock Number 4820-01-650-5385, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Pentair Filtration Solutions, Llc. Government technical data includes 28 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-650-5385 |
| Primary Part Number | 917BDDV01-BJE1025 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Pentair Filtration Solutions, Llc |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Connection Style | INVERTED FLARE (PIPE) FIRST END |
| Connection Style | PLAIN,OPTIONAL END(PIPE) SECOND END |
| Connection Type | THREADED INTERNAL PIPE SECOND END |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Style Designator | ANGLE |
| Material Document and Classification | A479-316 ASSN STD SINGLE MATERIAL RESPONSE DISK |
| Material Document and Classification | A479-316 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Material Document and Classification | SA351-CF8M ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Operating Pressure | 1400.00 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Bonnet Type | INSIDE SPRING |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 1.00 INCHES SECOND END IN |
| Nominal Thread Size | 0.75 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Maximum Operating Temp | 800.00 FAHRENHEIT SINGLE RESPONSE DEGF |
| Second Connection Face to Centerline Distance | 1.625 INCHES IN |
| Disk Loading Method | SPRING |
| Bonnet Attachment Method | THREADED |
| Media for Which Designed | LIQUID SINGLE RESPONSE |
| First Connection Face to Centerline Distance | 2.375 INCHES IN |
| Material | RUBBER SYNTHETIC SEAT |
| Material | STEEL STAINLESS - USE STB000 STEM |
| Material | STEEL STAINLESS - USE STB000 BODY |
| Material | STEEL STAINLESS - USE STB000 DISK |
| Thread Series Designator | NPT ALL ENDS |
| Opening Pressure Setting | 1025.00 POUNDS PER SQUARE INCH LBS |
| 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 |
|---|---|
| 917BDDV01-BJE1025 PRIMARY | Pentair Filtration Solutions, Llc (USA) |
| Reference | Meaning |
|---|---|
| BB-8001988-01(15) | C/1 Advisory reference — outside the item-of-supply concept Cae Usa Inc. |
NSN 4820-01-650-5385 is a Valve,safety Relief, manufactured by Pentair Filtration Solutions, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-650-5385 has 1 manufacturer part number on file: 917BDDV01-BJE1025 (Pentair Filtration Solutions, Llc).
Key specifications for 917BDDV01-BJE1025: Flow Control Device: DISK; Connection Style: INVERTED FLARE (PIPE) FIRST END; Connection Style: PLAIN,OPTIONAL END(PIPE) SECOND END; Connection Type: THREADED INTERNAL PIPE SECOND END. 28 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.