The Valve,safety Relief, cataloged under National Stock Number 4820-01-023-2543, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Aalberts Integrated Piping Systems Americas, Inc.. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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 | 4820-01-023-2543 |
| Primary Part Number | 19-402-07 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Aalberts Integrated Piping Systems Americas, Inc. |
| Status | ACTIVE |
| Opening Pressure Setting | 30.0 POUNDS PER SQUARE INCH LBS |
| Thread Series Designator | NPT FIRST END |
| Thread Series Designator | NPT SECOND END |
| Connection Style | PLAIN (PIPE) FIRST END |
| Material | COPPER ALLOY OVERALL |
| Thread Direction | RIGHT-HAND FIRST END |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Connection Style | PLAIN,OPTIONAL END(PIPE) SECOND END |
| Bonnet Attachment Method | THREADED |
| Valve Discharge Flow Rate | 246.0 POUNDS PER HOUR LBS |
| Style Designator | ANGLE |
| Valve Operation Method | AUTOMATIC OR MANUAL |
| Connection Type | THREADED INTERNAL PIPE SECOND END |
| Disk Loading Method | SPRING |
| Media for Which Designed | STEAM SINGLE RESPONSE |
| Nominal Thread Size | 1.000 INCHES FIRST END IN |
| Renewable Seat Ring Type | THREADED |
| Bonnet Type | INSIDE SPRING |
| Flow Control Device | DISK |
| Nominal Thread Size | 1.250 INCHES SECOND END IN |
| Thread Direction | RIGHT-HAND SECOND END |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 19-402-07 PRIMARY | Aalberts Integrated Piping Systems Americas, Inc. (USA) |
| 6010FE-AC0030 PRIMARY | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 629 | Lunkenheimer Co (USA) |
NSN 4820-01-023-2543 is a Valve,safety Relief, manufactured by Aalberts Integrated Piping Systems Americas, Inc., classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-023-2543 has 3 cross-referenced part numbers: 19-402-07 (Aalberts Integrated Piping Systems Americas, Inc.), 6010FE-AC0030 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 629 (Lunkenheimer Co).
There are 12 known substitutes for 4820-01-023-2543: 3110-00-100-8542, 6625-00-142-8717, 5985-00-175-0350 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 19-402-07: Opening Pressure Setting: 30.0 POUNDS PER SQUARE INCH LBS; Thread Series Designator: NPT FIRST END; Thread Series Designator: NPT SECOND END; Connection Style: PLAIN (PIPE) FIRST END. 21 total characteristics are documented in the Federal Logistics Information System.