The Valve,safety Relief, cataloged under National Stock Number 4820-00-163-5171, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, 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 | 4820-00-163-5171 |
| Primary Part Number | H3315562 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Naval Ship Systems Command |
| Status | ACTIVE |
| Raised Face Nominal Height | 0.062 INCHES SECOND END IN |
| Valve Size | 1.500 INCHES IN |
| Opening Pressure Setting | 1325.0 POUNDS PER SQUARE INCH LBS |
| Bolt Hole Nominal Diameter | 0.875 INCHES SECOND END IN |
| Flange Face Design | RECESSED STRAIGHT FIRST END |
| Recess Nominal Depth | 0.062 INCHES FIRST END IN |
| Nominal Outside Diameter | 7.500 INCHES SECOND END IN |
| Bolt Hole Quantity | 8 SECOND END |
| Style Designator | ANGLE FLANGED ENDS |
| Nominal Outside Diameter | 7.000 INCHES FIRST END IN |
| Raised Face Nominal Diameter | 4.125 INCHES SECOND END IN |
| Bonnet Attachment Method | BOLTED |
| Flow Control Device | DISK |
| Bolt Hole Quantity | 4 FIRST END |
| Flange Shape | ROUND WITH HOLES FIRST END |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY THE VALVE DISCHARGE FLOW RATE REQUIREMENT AND AS MODIFIED BY CROSBY VALVE AND GAGE CO DRAWING H48241 |
| Flange Shape | ROUND WITH HOLES SECOND END |
| Bonnet Type | EXPOSED SPRING |
| Bolt Circle Nominal Diameter | 4.875 INCHES FIRST END IN |
| Flange Face Design | RAISED STRAIGHT SECOND END |
| Features Provided | PRESSURE TIGHT OUTLET SIDE |
| Bolt Circle Nominal Diameter | 5.875 INCHES SECOND END IN |
| Bolt Hole Nominal Diameter | 1.125 INCHES FIRST END IN |
| Renewable Seat Ring Type | THREADED |
| Disk Loading Method | SPRING |
| Valve Discharge Flow Rate | 18570.0 POUNDS PER HOUR LBS |
| Recess Nominal Diameter | 6.125 INCHES FIRST END IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| H3315562 | Naval Ship Systems Command (USA) |
| A39344 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 39344M0D9 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| A39344ASSY MOD9 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
NSN 4820-00-163-5171 is a Valve,safety Relief, manufactured by Naval Ship Systems Command, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-163-5171 has 4 cross-referenced part numbers: H3315562 (Naval Ship Systems Command), A39344 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 39344M0D9 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), A39344ASSY MOD9 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
There are 12 known substitutes for 4820-00-163-5171: 4820-00-163-5163, 4820-00-163-5164, 4820-00-163-5175 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for H3315562: Raised Face Nominal Height: 0.062 INCHES SECOND END IN; Valve Size: 1.500 INCHES IN; Opening Pressure Setting: 1325.0 POUNDS PER SQUARE INCH LBS; Bolt Hole Nominal Diameter: 0.875 INCHES SECOND END IN. 27 total characteristics are documented in the Federal Logistics Information System.