The Valve,safety Relief, cataloged under National Stock Number 4820-00-163-5159, 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 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-163-5159 |
| Primary Part Number | A49149 |
| 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 |
| Disk Loading Method | SPRING |
| Renewable Seat Ring Type | THREADED |
| Bonnet Attachment Method | BOLTED |
| Bolt Circle Nominal Diameter | 4.500 INCHES FIRST END IN |
| Raised Face Nominal Height | 0.062 INCHES SECOND END IN |
| Bolt Hole Nominal Diameter | 0.875 INCHES FIRST END IN |
| Bolt Hole Quantity | 8 SECOND END |
| Style Designator | ANGLE FLANGED ENDS |
| Valve Size | 1.500 INCHES IN |
| Nominal Outside Diameter | 6.125 INCHES FIRST END IN |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY THE VALVE DISCHARGE FLOW RATE REQUIREMENT |
| Flange Shape | ROUND WITH HOLES SECOND END |
| Raised Face Nominal Diameter | 4.125 INCHES SECOND END IN |
| Bolt Hole Nominal Diameter | 0.875 INCHES SECOND END IN |
| Valve Operation Method | AUTOMATIC OR MANUAL |
| Bolt Circle Nominal Diameter | 5.875 INCHES SECOND END IN |
| Flange Shape | ROUND WITH HOLES FIRST END |
| Flange Face Design | RECESSED STRAIGHT FIRST END |
| Recess Nominal Depth | 0.062 INCHES FIRST END IN |
| Features Provided | PRESSURE TIGHT OUTLET SIDE |
| Opening Pressure Setting | 710.0 POUNDS PER SQUARE INCH LBS |
| Flow Control Device | DISK |
| Valve Discharge Flow Rate | 8600.0 POUNDS PER HOUR LBS |
| Nominal Outside Diameter | 7.500 INCHES SECOND END IN |
| Flange Face Design | RAISED STRAIGHT SECOND END |
| Bolt Hole Quantity | 4 FIRST END |
| Bonnet Type | EXPOSED SPRING |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| A49149 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
NSN 4820-00-163-5159 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 4820-00-163-5159 has 1 cross-referenced part number: A49149 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
There are 3 known substitutes for 4820-00-163-5159: 3030-00-122-0695, 4820-00-163-5168, 4820-00-163-5170. Verify interchangeability with system specifications before substitution.
Key specifications for A49149: Disk Loading Method: SPRING; Renewable Seat Ring Type: THREADED; Bonnet Attachment Method: BOLTED; Bolt Circle Nominal Diameter: 4.500 INCHES FIRST END IN. 27 total characteristics are documented in the Federal Logistics Information System.