The Valve,safety Relief, cataloged under National Stock Number 4820-00-133-3457, 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 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-133-3457 |
| Primary Part Number | 9457REVAITEM12 |
| 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 |
| Features Provided | PRESSURE TIGHT OUTLET SIDE |
| Bolt Hole Nominal Diameter | 0.562 INCHES SECOND END IN |
| Adjustable Pressure Range | +140.0 TO 150.0 POUNDS PER SQUARE INCH LBS |
| Material | NICKEL ALLOY SEAT |
| Style Designator | ANGLE |
| Nominal Outside Diameter | 6.625 INCHES SECOND END IN |
| Nominal Thickness | 0.875 INCHES FIRST END IN |
| Bolt Circle Nominal Diameter | 5.500 INCHES SECOND END IN |
| Reference Number Differentiating Characteristics | BY THE ADJUSTABLE PRESSURE RANGE SPRING REQUIREMENT |
| Nominal Thickness | 1.062 INCHES SECOND END IN |
| Bolt Hole Nominal Diameter | 0.562 INCHES FIRST END IN |
| Disk Loading Method | SPRING |
| Bolt Hole Quantity | 8 FIRST END |
| Bonnet Attachment Method | BOLTED |
| Bolt Circle Nominal Diameter | 6.562 INCHES FIRST END IN |
| Material | COPPER ALLOY 922 BODY |
| Flange Face Design | PLAIN SECOND END |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material | NICKEL ALLOY FLOW CONTROL DEVICE |
| Flange Shape | ROUND WITH HOLES SECOND END |
| Flange Face Design | PLAIN FIRST END |
| Bolt Hole Quantity | 8 SECOND END |
| Material | COPPER ALLOY 462 OR COPPER ALLOY 464 OR COPPER ALLOY 482 OR COPPER ALLOY 485 STEM |
| Valve Operation Method | AUTOMATIC |
| Flow Control Device | DISK |
| Flange Shape | ROUND WITH HOLES FIRST END |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Nominal Outside Diameter | 7.687 INCHES FIRST END IN |
| Renewable Seat Ring Type | THREADED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 9457REVAITEM12 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 9507 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 9457REVAITEM124 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 9457REVAITEM124 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 9507 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 9457ITEM124 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 9457REVAITEM12 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 9457ITEM124 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
NSN 4820-00-133-3457 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 4820-00-133-3457 has 8 cross-referenced part numbers: 9457REVAITEM12 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 9507 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 9457REVAITEM124 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 9457REVAITEM124 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 9507 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team) and 3 more.
There are 8 known substitutes for 4820-00-133-3457: 3110-00-107-7554, 5310-00-167-0734, 3020-00-272-5986 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 9457REVAITEM12: Features Provided: PRESSURE TIGHT OUTLET SIDE; Bolt Hole Nominal Diameter: 0.562 INCHES SECOND END IN; Adjustable Pressure Range: +140.0 TO 150.0 POUNDS PER SQUARE INCH LBS; Material: NICKEL ALLOY SEAT. 29 total characteristics are documented in the Federal Logistics Information System.