The Valve,safety Relief, cataloged under National Stock Number 4820-01-218-3303, 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 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-218-3303 |
| Primary Part Number | NMP-1514 PART V111 47T54PSI |
| 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 | STEEL BODY |
| Bolt Hole Quantity | 4 ALL ENDS |
| Raised Face Nominal Diameter | 3.625 INCHES FIRST END IN |
| Raised Face Nominal Height | 0.062 INCHES FIRST END IN |
| Bolt Circle Nominal Diameter | 3.125 INCHES SECOND END IN |
| Bolt Circle Nominal Diameter | 4.750 INCHES FIRST END IN |
| Nominal Outside Diameter | 4.250 INCHES SECOND END IN |
| Material | STEEL CORROSION RESISTING STEM |
| Raised Face Nominal Height | 0.438 INCHES SECOND END IN |
| Bonnet Attachment Method | UNION |
| Valve Size | 1.000 INCHES IN |
| Adjustable Pressure Range | +47.0 TO 54.0 POUNDS PER SQUARE INCH LBS |
| Valve Operation Method | AUTOMATIC |
| Disk Loading Method | SPRING |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Second Connection Face to Centerline Distance | 4.937 INCHES IN |
| Flange Face Design | RAISED STRAIGHT ALL ENDS |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Bonnet Type | INSIDE SPRING |
| Connection Type | FLANGE ALL ENDS |
| Maximum Operating Temp | 380.0 FAHRENHEIT FIRST RESPONSE DEGF |
| Nominal Thickness | 0.438 INCHES SECOND END IN |
| Flow Control Device | DISK |
| Style Designator | ANGLE FLANGED ENDS |
| Operating Pressure | 185.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Operating Pressure | 120.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Bolt Hole Nominal Diameter | 0.750 INCHES FIRST END IN |
| Raised Face Nominal Diameter | 2.000 INCHES SECOND END IN |
| Maximum Operating Temp | 650.0 FAHRENHEIT SECOND RESPONSE DEGF |
| Bolt Hole Nominal Diameter | 0.625 INCHES SECOND END IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| NMP1514 PART V111 47T54PSI | Kunkle Industries Inc Lonergan Valve Div (USA) |
| NMP-1514 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| NMP-1514 PART V111 47T54PSI | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| NMP-1514 PART V111 47T54PSI PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| NMP1514 | Kunkle Industries Inc Lonergan Valve Div (USA) |
| V-111 NMP-1514 | Kunkle Industries Inc Lonergan Valve Div (USA) |
NSN 4820-01-218-3303 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 4820-01-218-3303 has 6 cross-referenced part numbers: NMP1514 PART V111 47T54PSI (Kunkle Industries Inc Lonergan Valve Div), NMP-1514 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), NMP-1514 PART V111 47T54PSI (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), NMP-1514 PART V111 47T54PSI (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), NMP1514 (Kunkle Industries Inc Lonergan Valve Div) and 1 more.
There are 6 known substitutes for 4820-01-218-3303: 2910-01-143-5496, 4820-01-148-2953, 4820-01-187-2278 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for NMP-1514 PART V111 47T54PSI: Material: STEEL BODY; Bolt Hole Quantity: 4 ALL ENDS; Raised Face Nominal Diameter: 3.625 INCHES FIRST END IN; Raised Face Nominal Height: 0.062 INCHES FIRST END IN. 30 total characteristics are documented in the Federal Logistics Information System.