The Valve,safety Relief, cataloged under National Stock Number 4820-01-110-9815, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-110-9815 |
| Primary Part Number | V-115 NMP-1509 6T9PSI |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Connection Type | FLANGE FIRST END |
| Style Designator | ANGLE FLANGED ENDS |
| Operating Pressure | 185.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Valve Size | 4.000 INCHES IN |
| Adjustable Pressure Range | +6.0 TO 9.0 POUNDS PER SQUARE INCH LBS |
| Bonnet Type | INSIDE SPRING |
| Maximum Operating Temp | 380.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Second Connection Face to Centerline Distance | 6.375 INCHES IN |
| Disk Loading Method | SPRING |
| Bonnet Attachment Method | UNION |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| First Connection Face to Centerline Distance | 6.125 INCHES IN |
| Material | STEEL BODY |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Material | STEEL CORROSION RESISTING SEAT |
| Material | STEEL CORROSION RESISTING STEM |
| 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 |
|---|---|
| V-115 NMP-1509 6T9PSI PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| NMP-1509 V-115 6T9PSI | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| UCKCNN01CKKM 3K4 | Dante Valve Company (USA) |
| 20040A51SS PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| Reference | Meaning |
|---|---|
| NMP-1509 | D/9 Drawing number reference only Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| UCKCNN01CKKM 3K4 | 5/9 Secondary reference Danco Valve Company |
| NMP-1509 V-115 6T9PSI | 5/9 Secondary reference Kunkle Industries Inc Lonergan Valve Div |
| 20040A51SS | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| NMP-1509 V-115 6T9PSI | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| V-115 NMP-1509 6T9PSI | 5/9 Secondary reference Kunkle Industries Inc Lonergan Valve Div |
| NMP-1509 | 5/9 Secondary reference Kunkle Industries Inc Lonergan Valve Div |
| V-115 NMP-1509 6T9PSI | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
NSN 4820-01-110-9815 is a Valve,safety Relief, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-110-9815 has 4 manufacturer part numbers on file: V-115 NMP-1509 6T9PSI (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), NMP-1509 V-115 6T9PSI (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), UCKCNN01CKKM 3K4 (Dante Valve Company), 20040A51SS (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
Key specifications for V-115 NMP-1509 6T9PSI: Flow Control Device: DISK; Connection Type: FLANGE FIRST END; Style Designator: ANGLE FLANGED ENDS; Operating Pressure: 185.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 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.