The Valve,safety Relief, cataloged under National Stock Number 4820-00-529-2700, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Anderson Greenwood Lp Dba Anderson Greenwood Crosby. Government technical data includes 24 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-529-2700 |
| Primary Part Number | MP12009 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| Status | ACTIVE |
| Material | COPPER ALLOY STEM |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Adjustable Pressure Range | +40.0 TO 70.0 POUNDS PER SQUARE INCH LBS |
| Valve Operation Method | AUTOMATIC |
| Opening Pressure Setting | 50.0 POUNDS PER SQUARE INCH LBS |
| Flow Control Device | DISK |
| Material | COPPER ALLOY OR COPPER FLOW CONTROL DEVICE |
| Valve Discharge Flow Rate | 54.0 GALLONS PER MINUTE |
| Disk Loading Method | SPRING |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Bonnet Attachment Method | THREADED |
| Connection Style | PLAIN,OPTIONAL END(PIPE) FIRST END |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Style Designator | ANGLE |
| Bonnet Type | INSIDE SPRING |
| Features Provided | VALVE STEM LOCK SHIELD |
| Maximum Operating Temp | 406.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Connection Style | PLAIN (PIPE) SECOND END |
| Material | COPPER OR COPPER ALLOY SEAT |
| Material | COPPER ALLOY BODY |
| Nominal Thread Size | 1.250 INCHES ALL ENDS IN |
| Thread Series Designator | NPT ALL ENDS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-00-529-2700 is a Valve,safety Relief, manufactured by Anderson Greenwood Lp Dba Anderson Greenwood Crosby, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-529-2700 has 4 cross-referenced part numbers: MP12009 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 1-1-4T (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), MP12009 (Kunkle Industries Inc Lonergan Valve Div), 1-1-4T (Kunkle Industries Inc Lonergan Valve Div).
There are 2 known substitutes for 4820-00-529-2700: 8135-00-239-5294, 5975-01-594-5390. Verify interchangeability with system specifications before substitution.
Key specifications for MP12009: Material: COPPER ALLOY STEM; Operating Pressure: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Connection Type: THREADED INTERNAL PIPE FIRST END; Connection Type: THREADED EXTERNAL PIPE SECOND END. 24 total characteristics are documented in the Federal Logistics Information System.