The Valve,safety Relief, cataloged under National Stock Number 4820-00-288-7836, 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 50 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-288-7836 |
| Primary Part Number | 389588PCV876 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Naval Ship Systems Command |
| Status | ACTIVE |
| Connection Style | PLAIN (PIPE) SECOND END |
| Material | COPPER ALLOY 922 BODY |
| Flow Control Device | POPPET |
| Nominal Pipe Size Accommodated | 0.500 INCHES SECOND END IN |
| Thread Series Designator | NPT FIRST END |
| Renewable Seat Ring Type | THREADED |
| Maximum Operating Temp | 450.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Thread Series Designator | NPT SECOND END |
| Nominal Thread Size | 0.500 INCHES FIRST END IN |
| Style Designator | ANGLE |
| Material | NICKEL ALLOY FLOW CONTROL DEVICE |
| Valve Discharge Flow Rate | 274.0 POUNDS PER HOUR LBS |
| Bonnet Type | INSIDE SPRING |
| Operating Pressure | 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Bonnet Attachment Method | THREADED |
| Adjustable Pressure Range | +76.0 TO 175.0 POUNDS PER SQUARE INCH LBS |
| Features Provided | VALVE STEM LOCK SHIELD AND BONNET PACKING AND PRESSURE TIGHT OUTLET SIDE |
| Thread Direction | RIGHT-HAND FIRST END |
| Material | STEEL STEM |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Media for Which Designed | STEAM SINGLE RESPONSE |
| Nominal Pipe Size Accommodated | 0.500 INCHES FIRST END IN |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY VALVE SIZE AND RELIEF PRESSURE RANGE |
| Thread Direction | RIGHT-HAND SECOND END |
| Material | NICKEL ALLOY SEAT |
| Nominal Thread Size | 0.500 INCHES SECOND END IN |
| Disk Loading Method | SPRING |
| Connection Style | PLAIN,OPTIONAL END(PIPE) FIRST END |
| Material Document and Classification | QQ-C-390,ALLOYD4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 389588PCV876 | Naval Ship Systems Command (USA) |
| 389669PCV1039 | Naval Ship Systems Command (USA) |
| 389669PCV1062 | Naval Ship Systems Command (USA) |
| K1-4900-1000250PCV26 | Naval Ship Systems Command (USA) |
| 222-4900-232701PCV668 | Naval Sea Systems Command (USA) |
| 571-3801-1302533PCV12 | Naval Sea Systems Command (USA) |
| 313-4900-223400PCV634 | Naval Ship Systems Command (USA) |
| 389609ALT7PCV1153 | Naval Ship Systems Command (USA) |
| 533115ALT27M0DIFICATI0N5PCV838 | Naval Ship Systems Command (USA) |
| 389588PCV785 | Naval Ship Systems Command (USA) |
| 2476-16ALT27M0DIFICATI0N5PCV871 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 222-4900-232701PCV668 | Naval Ship Systems Command (USA) |
| 3376-12-1PCV912 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 313-4900-223400PCV634 | Naval Sea Systems Command (USA) |
| 389669PCV1062 | Naval Sea Systems Command (USA) |
| 271-4900-958181ALTAPCV688 | Naval Ship Systems Command (USA) |
| K1-4900-1000254PCV17 | Naval Ship Systems Command (USA) |
| 533115ALT27MODIFICATION5PCV871 | Naval Sea Systems Command (USA) |
| 271-4900-958581PCV1039 | Naval Sea Systems Command (USA) |
| 2076-97ALT8PCV1047 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
NSN 4820-00-288-7836 is a Valve,safety Relief, manufactured by Naval Ship Systems Command, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-288-7836 has 50 cross-referenced part numbers: 389588PCV876 (Naval Ship Systems Command), 389669PCV1039 (Naval Ship Systems Command), 389669PCV1062 (Naval Ship Systems Command), K1-4900-1000250PCV26 (Naval Ship Systems Command), 222-4900-232701PCV668 (Naval Sea Systems Command) and 45 more.
Key specifications for 389588PCV876: Connection Style: PLAIN (PIPE) SECOND END; Material: COPPER ALLOY 922 BODY; Flow Control Device: POPPET; Nominal Pipe Size Accommodated: 0.500 INCHES SECOND END IN. 30 total characteristics are documented in the Federal Logistics Information System.