The Valve,safety Relief, cataloged under National Stock Number 4820-00-287-4030, 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 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-287-4030 |
| Primary Part Number | AD14S51-067 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Naval Ship Systems Command |
| Status | ACTIVE |
| Disk Loading Method | SPRING |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Second Connection Face to Centerline Distance | 5.000 INCHES IN |
| Flow Control Device | DISK |
| Valve Discharge Flow Rate | 10500.0 POUNDS PER HOUR LBS |
| Connection Type | FLANGE SECOND END |
| Valve Size | 1.500 INCHES IN |
| First Connection Face to Centerline Distance | 4.500 INCHES IN |
| Bolt Hole Nominal Diameter | 0.688 INCHES SECOND END IN |
| Bolt Circle Nominal Diameter | 5.188 INCHES SECOND END IN |
| Nominal Thickness | 0.750 INCHES SECOND END IN |
| Bonnet Type | EXPOSED SPRING |
| Style Designator | ANGLE FLANGED ENDS |
| Material | STEEL SEAT |
| Flange Shape | ROUND WITH HOLES SECOND END |
| Bolt Circle Nominal Diameter | 4.500 INCHES FIRST END IN |
| Bonnet Attachment Method | BOLTED |
| Material | STEEL BODY |
| Nominal Thickness | 1.125 INCHES FIRST END IN |
| Connection Type | FLANGE FIRST END |
| Material | STEEL STEM |
| Bolt Hole Nominal Diameter | 0.812 INCHES FIRST END IN |
| Valve Operation Method | AUTOMATIC OR MANUAL |
| Media for Which Designed | STEAM SINGLE RESPONSE |
| Opening Pressure Setting | 438.0 POUNDS PER SQUARE INCH LBS |
| Nominal Outside Diameter | 6.500 INCHES SECOND END IN |
| Bolt Hole Quantity | 4 FIRST END |
| Raised Face Nominal Diameter | 2.875 INCHES FIRST END IN |
| Maximum Operating Temp | 650.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Flange Shape | ROUND WITH HOLES FIRST END |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AD14S51-067 | Naval Ship Systems Command (USA) |
| 41780 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| MIL-V-17462 TYPE/HN135 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| A15320 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
NSN 4820-00-287-4030 is a Valve,safety Relief, manufactured by Naval Ship Systems Command, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-287-4030 has 4 cross-referenced part numbers: AD14S51-067 (Naval Ship Systems Command), 41780 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), MIL-V-17462 TYPE/HN135 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), A15320 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
There are 4 known substitutes for 4820-00-287-4030: 5940-00-110-7416, 5940-00-271-4622, 5895-00-505-1040 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for AD14S51-067: Disk Loading Method: SPRING; Material: STEEL CORROSION RESISTING FLOW CONTROL DEVICE; Second Connection Face to Centerline Distance: 5.000 INCHES IN; Flow Control Device: DISK. 30 total characteristics are documented in the Federal Logistics Information System.