The Valve,safety Relief, cataloged under National Stock Number 4820-01-696-9520, 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 Dba Marine Product Team Div Marine Product Team. Government technical data includes 24 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-696-9520 |
| Primary Part Number | 911EEDM01AJE0050 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp Dba Marine Product Team Div Marine Product Team |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Flange Shape | ROUND FIRST END |
| Furnished Items and Quantity | 1 CAP |
| Nominal Pipe Size Accommodated | 1.25 INCHES SECOND END IN |
| Connection Style | PLAIN,OPTIONAL END(PIPE) SECOND END |
| Connection Type | THREADED INTERNAL PIPE SECOND END |
| Connection Type | FLANGE FIRST END |
| Style Designator | ANGLE |
| Material Document and Classification | A479-316 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE BONNET |
| Material Document and Classification | A479-316 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE DISK |
| Material Document and Classification | A479-316 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE STEM |
| Material Document and Classification | SA351 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE BODY |
| Operating Pressure | 1400.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM SINGLE RESPONSE LBS |
| Adjustable Pressure Range | +3.0 TO 1400.0 POUNDS PER SQUARE INCH GAGE LBS |
| Bonnet Type | INSIDE SPRING |
| Nominal Thread Size | 1.25 INCHES SECOND END IN |
| Maximum Operating Temp | 800.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Disk Loading Method | SPRING |
| Bonnet Attachment Method | THREADED |
| Media for Which Designed | LIQUID SINGLE RESPONSE |
| Material | STEEL STAINLESS - USE STB000 OVERALL |
| Thread Series Designator | NPT SECOND END |
| Opening Pressure Setting | 50.0 POUNDS PER SQUARE INCH GAGE 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 |
|---|---|
| 911EEDM01AJE0050 | Ssg Inc (USA) |
| 911EEDM01AJE0050 | Ja Moody Llc (USA) |
| 911EEDM01AJE0050 PRIMARY | Emerson Automation Solutions Final Control Us Lp Dba Marine Product Team Div Marine Product Team (USA) |
| Reference | Meaning |
|---|---|
| 911EEDM01AJE0050 | 3/9 Design control — primary reference Kunkle Industries Inc |
NSN 4820-01-696-9520 is a Valve,safety Relief, manufactured by Emerson Automation Solutions Final Control Us Lp Dba Marine Product Team Div Marine Product Team, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-696-9520 has 3 manufacturer part numbers on file: 911EEDM01AJE0050 (Ssg Inc), 911EEDM01AJE0050 (Ja Moody Llc), 911EEDM01AJE0050 (Emerson Automation Solutions Final Control Us Lp Dba Marine Product Team Div Marine Product Team).
Key specifications for 911EEDM01AJE0050: Flow Control Device: DISK; Flange Shape: ROUND FIRST END; Furnished Items and Quantity: 1 CAP; Nominal Pipe Size Accommodated: 1.25 INCHES SECOND END IN. 24 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.