The Valve,safety Relief, cataloged under National Stock Number 4820-01-311-4975, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-311-4975 |
| Primary Part Number | NMP1109DLO-40EB2-59T70PSI |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| Status | ACTIVE |
| Material | COPPER ALLOY BODY |
| Connection Style | SOCKET (TUBE) ALL ENDS |
| Style Designator | ANGLE |
| Disk Loading Method | SPRING |
| Flow Control Device | DISK |
| Media for Which Designed | WATER, SALT SINGLE RESPONSE |
| Material | NICKEL ALLOY STEM |
| Nominal Outside Diameter Tube Accommodated | 1.000 INCHES ALL ENDS IN |
| Operating Pressure | 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Connection Type | UNTHREADED INTERNAL TUBE ALL ENDS |
| Bonnet Attachment Method | UNION |
| Valve Operation Method | AUTOMATIC |
| Material | NICKEL ALLOY FLOW CONTROL DEVICE |
| Material | STEEL SEAT |
| Adjustable Pressure Range | +59.0 TO 70.0 POUNDS PER SQUARE INCH LBS |
| Maximum Operating Temp | 150.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Renewable Seat Ring Type | THREADED |
| Bonnet Type | INSIDE SPRING |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| NMP 1109 | Kunkle Industries Inc Lonergan Valve Div (USA) |
| DL0-40EB2 | Kunkle Industries Inc Lonergan Valve Div (USA) |
| NMP 1109 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| NMP1109DLO-40EB2-59T70PSI | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| BBSAA05SEE | Dante Valve Company (USA) |
| NMP1109DLO-40EB2-59T70PSI PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| BBSAA05SEE | Danco Valve Company (USA) |
| NMP-1109 OPT L | Kunkle Industries Inc Lonergan Valve Div (USA) |
NSN 4820-01-311-4975 is a Valve,safety Relief, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-311-4975 has 8 cross-referenced part numbers: NMP 1109 (Kunkle Industries Inc Lonergan Valve Div), DL0-40EB2 (Kunkle Industries Inc Lonergan Valve Div), NMP 1109 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), NMP1109DLO-40EB2-59T70PSI (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), BBSAA05SEE (Dante Valve Company) and 3 more.
There are 9 known substitutes for 4820-01-311-4975: 4820-01-025-7400, 4820-01-277-9140, 3040-01-311-9529 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for NMP1109DLO-40EB2-59T70PSI: Material: COPPER ALLOY BODY; Connection Style: SOCKET (TUBE) ALL ENDS; End Item Identification: EMORY S. LAND CLASS AS; Style Designator: ANGLE. 19 total characteristics are documented in the Federal Logistics Information System.