The Valve,safety Relief, cataloged under National Stock Number 4820-01-368-7507, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-368-7507 |
| Primary Part Number | 20253 ASSY 20253 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| Status | ACTIVE |
| Operating Pressure | 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Style Designator | ANGLE |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE PACKING |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Material | NICKEL ALLOY FLOW CONTROL DEVICE |
| Flow Control Device | DISK |
| Nominal Pipe Size Accommodated | 2.000 INCHES ALL ENDS IN |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Bonnet Attachment Method | BOLTED |
| Material | NICKEL ALLOY SEAT |
| Connection Style | STREAMLINED WITH ONE BRAZING RING ALL ENDS |
| Maximum Operating Temp | 150.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Bonnet Type | INSIDE SPRING |
| Disk Loading Method | SPRING |
| Material | BRONZE BODY |
| Valve Operation Method | AUTOMATIC |
| Adjustable Pressure Range | +56.0 TO 65.0 POUNDS PER SQUARE INCH LBS |
| Material | NICKEL ALLOY STEM |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 20253 ASSY 20253JS51M | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 20253 ASSY 20253 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 20253JS51M | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 20253 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 20253JS51M | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
NSN 4820-01-368-7507 is a Valve,safety Relief, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-368-7507 has 5 cross-referenced part numbers: 20253 ASSY 20253JS51M (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20253 ASSY 20253 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 20253JS51M (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20253 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20253JS51M (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
There are 8 known substitutes for 4820-01-368-7507: 5306-00-310-4694, 5340-00-351-3592, 5962-01-101-5649 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 20253 ASSY 20253: Operating Pressure: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Style Designator: ANGLE; Material: PLASTIC POLYTETRAFLUOROETHYLENE PACKING; Media for Which Designed: WATER-OIL-GAS SINGLE RESPONSE. 18 total characteristics are documented in the Federal Logistics Information System.