The Valve,safety Relief, cataloged under National Stock Number 4820-00-854-9528, 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 12 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-854-9528 |
| Primary Part Number | 2751ST1-2IN |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| Status | ACTIVE |
| Flow Control Device | POPPET |
| Maximum Operating Temp | 160.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Connection Style | STREAMLINED WITH ONE BRAZING RING FIRST END |
| Style Designator | ANGLE |
| Disk Loading Method | SPRING |
| Nominal Pipe Size Accommodated | 0.500 INCHES FIRST END IN |
| Material | STEEL CORROSION RESISTING SEAT |
| Material | STEEL CORROSION RESISTING STEM |
| Adjustable Pressure Range | +3001.0 TO 3450.0 POUNDS PER SQUARE INCH LBS |
| Valve Operation Method | AUTOMATIC |
| Material | STEEL CORROSION RESISTING BODY |
| Connection Type | UNTHREADED INTERNAL PIPE FIRST END |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 9644A15329 | Naval Sea Systems Command (USA) |
| 2751ST1-2IN PRIMARY | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| E9646-14AS51SS | Naval Sea Systems Command (USA) |
| E9644-AS51SS | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
NSN 4820-00-854-9528 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 4820-00-854-9528 has 4 cross-referenced part numbers: 9644A15329 (Naval Sea Systems Command), 2751ST1-2IN (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), E9646-14AS51SS (Naval Sea Systems Command), E9644-AS51SS (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
There is 1 known substitute for 4820-00-854-9528: 4820-01-186-9375. Verify interchangeability with system specifications before substitution.
Key specifications for 2751ST1-2IN: Flow Control Device: POPPET; Maximum Operating Temp: 160.0 FAHRENHEIT SINGLE RESPONSE DEGF; Connection Style: STREAMLINED WITH ONE BRAZING RING FIRST END; Style Designator: ANGLE. 12 total characteristics are documented in the Federal Logistics Information System.