The Valve,safety Relief, cataloged under National Stock Number 4820-00-159-0558, 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 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-159-0558 |
| Primary Part Number | A48377 |
| 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 |
| Flow Control Device | DISK |
| Valve Discharge Flow Rate | 37550.0 POUNDS PER HOUR LBS |
| Features Provided | PRESSURE TIGHT OUTLET SIDE |
| Raised Face Nominal Diameter | 6.188 INCHES SECOND END IN |
| Bonnet Attachment Method | BOLTED |
| Bolt Circle Nominal Diameter | 7.500 INCHES FIRST END IN |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY THE VALVE DISCHARGE FLOW RATE REQUIREMENT |
| Material | STEEL COMP 304 FLOW CONTROL DEVICE |
| Bolt Hole Nominal Diameter | 1.125 INCHES FIRST END IN |
| Nominal Thickness | 1.688 INCHES FIRST END IN |
| Bolt Circle Nominal Diameter | 7.875 INCHES SECOND END IN |
| Flange Face Design | RECESSED STRAIGHT FIRST END |
| Nominal Thickness | 1.188 INCHES SECOND END IN |
| Material | STEEL COMP 304 FLOW CONTROL DEVICE |
| Opening Pressure Setting | 1350.0 POUNDS PER SQUARE INCH LBS |
| Nominal Outside Diameter | 10.000 INCHES SECOND END IN |
| Style Designator | ANGLE FLANGED ENDS |
| Flange Face Design | RECESSED STRAIGHT FIRST END |
| Flange Face Design | RAISED STRAIGHT SECOND END |
| Nominal Thickness | 1.188 INCHES SECOND END IN |
| Flange Shape | ROUND WITH HOLES FIRST END |
| Valve Size | 2.500 INCHES IN |
| Recess Nominal Depth | 0.062 INCHES FIRST END IN |
| Opening Pressure Setting | 1350.0 POUNDS PER SQUARE INCH LBS |
| Bolt Hole Quantity | 8 SECOND END |
| Nominal Outside Diameter | 9.625 INCHES FIRST END IN |
| Second Connection Face to Centerline Distance | 7.688 INCHES IN |
| Bolt Circle Nominal Diameter | 7.500 INCHES FIRST END IN |
| Bolt Hole Nominal Diameter | 0.875 INCHES SECOND END IN |
| Features Provided | PRESSURE TIGHT OUTLET SIDE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| A48377 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| A48377CAP37550 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
NSN 4820-00-159-0558 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 4820-00-159-0558 has 2 cross-referenced part numbers: A48377 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), A48377CAP37550 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
There are 7 known substitutes for 4820-00-159-0558: 4820-01-046-1328, 5315-01-046-2197, 4820-01-046-7031 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for A48377: Flow Control Device: DISK; Valve Discharge Flow Rate: 37550.0 POUNDS PER HOUR LBS; Features Provided: PRESSURE TIGHT OUTLET SIDE; Raised Face Nominal Diameter: 6.188 INCHES SECOND END IN. 30 total characteristics are documented in the Federal Logistics Information System.