The Valve,safety Relief, cataloged under National Stock Number 4820-00-931-2133, 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 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-931-2133 |
| Primary Part Number | 47800 |
| 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 |
| Flange Shape | ROUND WITH HOLES FIRST END |
| Raised Face Nominal Height | 0.250 INCHES SECOND END IN |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY ADJUSTABLE PRESSURE RANGE |
| Disk Loading Method | SPRING |
| Bolt Hole Quantity | 8 FIRST END |
| Flange Face Design | RAISED STRAIGHT FIRST END |
| Flange Shape | ROUND WITH HOLES SECOND END |
| Valve Operation Method | AUTOMATIC |
| Bolt Hole Nominal Diameter | 1.125 INCHES SECOND END IN |
| Nominal Outside Diameter | 9.625 INCHES SECOND END IN |
| Nominal Thickness | 1.688 INCHES SECOND END IN |
| Style Designator | ANGLE FLANGED ENDS |
| Material | NICKEL ALLOY STEM |
| Material | STEEL CORROSION RESISTING SEAT |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Nominal Outside Diameter | 10.000 INCHES FIRST END IN |
| Raised Face Nominal Diameter | 4.062 INCHES SECOND END IN |
| Connection Type | FLANGE FIRST END |
| Bonnet Type | EXPOSED SPRING |
| Bolt Circle Nominal Diameter | 7.500 INCHES SECOND END IN |
| Bonnet Attachment Method | BOLTED |
| Flow Control Device | DISK |
| Bolt Hole Quantity | 8 SECOND END |
| Connection Type | FLANGE SECOND END |
| Opening Pressure Setting | 1430.0 POUNDS PER SQUARE INCH LBS |
| Flange Face Design | RAISED STRAIGHT SECOND END |
| First Connection Face to Centerline Distance | 6.938 INCHES IN |
| Bolt Circle Nominal Diameter | 7.438 INCHES FIRST END IN |
| Second Connection Face to Centerline Distance | 7.688 INCHES IN |
| Valve Discharge Flow Rate | 58500.0 POUNDS PER HOUR LBS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 47800 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| A47800 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| A47800-1430T1530 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 4700 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
NSN 4820-00-931-2133 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 4820-00-931-2133 has 4 cross-referenced part numbers: 47800 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), A47800 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), A47800-1430T1530 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 4700 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
There are 12 known substitutes for 4820-00-931-2133: 4820-00-135-2317, 4820-00-163-5178, 4820-00-163-5179 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 47800: Flange Shape: ROUND WITH HOLES FIRST END; Raised Face Nominal Height: 0.250 INCHES SECOND END IN; Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY ADJUSTABLE PRESSURE RANGE; Disk Loading Method: SPRING. 30 total characteristics are documented in the Federal Logistics Information System.