The Valve,safety Relief, cataloged under National Stock Number 4820-00-164-4168, 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 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 | 4820-00-164-4168 |
| Primary Part Number | A36558 |
| 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 |
| Raised Face Nominal Height | 0.062 INCHES FIRST END IN |
| Bonnet Type | EXPOSED SPRING |
| Style Designator | ANGLE FLANGED ENDS |
| Bolt Hole Nominal Diameter | 0.875 INCHES FIRST END IN |
| Features Provided | PRESSURE TIGHT OUTLET SIDE |
| Style Designator | ANGLE FLANGED ENDS |
| Flange Shape | ROUND WITH HOLES SECOND END |
| Raised Face Nominal Diameter | 6.188 INCHES FIRST END IN |
| Bolt Hole Quantity | 8 SECOND END |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY THE VALVE DISCHARGE FLOW RATE REQUIREMENT AND AS MODIFIED BY CROSBY VALVE AND GAGE CO DRAWING H45061 SHEET 2 |
| Flange Face Design | PLAIN SECOND END |
| Bolt Circle Nominal Diameter | 7.875 INCHES FIRST END IN |
| Nominal Outside Diameter | 9.625 INCHES SECOND END IN |
| Valve Size | 2.500 INCHES IN |
| Nominal Thickness | 1.188 INCHES FIRST END IN |
| Bolt Circle Nominal Diameter | 7.500 INCHES SECOND END IN |
| Connection Type | FLANGE FIRST END |
| Bolt Hole Nominal Diameter | 0.875 INCHES FIRST END IN |
| Bolt Hole Quantity | 8 FIRST END |
| Valve Operation Method | AUTOMATIC OR MANUAL |
| Flange Shape | ROUND WITH HOLES FIRST END |
| Connection Type | FLANGE SECOND END |
| Nominal Thickness | 1.625 INCHES SECOND END IN |
| Flange Face Design | RAISED STRAIGHT FIRST END |
| Bolt Circle Nominal Diameter | 7.500 INCHES SECOND END IN |
| Nominal Outside Diameter | 10.000 INCHES FIRST END IN |
| Flow Control Device | DISK |
| Disk Loading Method | SPRING |
| Valve Discharge Flow Rate | 48754.0 POUNDS PER HOUR LBS |
| Flange Face Design | RAISED STRAIGHT FIRST END |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| A36558 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
NSN 4820-00-164-4168 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 4820-00-164-4168 has 1 cross-referenced part number: A36558 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
There are 3 known substitutes for 4820-00-164-4168: 4470-00-186-1621, 4820-00-762-2859, 2910-01-046-4071. Verify interchangeability with system specifications before substitution.
Key specifications for A36558: Raised Face Nominal Height: 0.062 INCHES FIRST END IN; Bonnet Type: EXPOSED SPRING; Style Designator: ANGLE FLANGED ENDS; Bolt Hole Nominal Diameter: 0.875 INCHES FIRST END IN. 30 total characteristics are documented in the Federal Logistics Information System.