The Valve,safety Relief, cataloged under National Stock Number 4820-00-878-3356, 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 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-878-3356 |
| Primary Part Number | 48A3-8-110 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| Status | ACTIVE |
| Style Designator | ANGLE |
| Thread Series Designator | NPT FIRST END |
| Media for Which Designed | AIR FIRST RESPONSE |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Bonnet Type | INSIDE SPRING |
| Nominal Thread Size | 0.375 INCHES FIRST END IN |
| Valve Operation Method | AUTOMATIC OR MANUAL |
| Material | COPPER ALLOY OVERALL |
| Flow Control Device | POPPET |
| Opening Pressure Setting | 110.0 POUNDS PER SQUARE INCH LBS |
| Disk Loading Method | SPRING |
| Connection Style | PLAIN (PIPE) FIRST END |
| Nominal Pipe Size Accommodated | 0.375 INCHES FIRST END IN |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Maximum Operating Temp | 250.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Bonnet Attachment Method | INTEGRAL |
| Thread Direction | RIGHT-HAND FIRST END |
| Media for Which Designed | GAS, INERT SECOND RESPONSE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1664 | Ashcroft Inc Dba Heise (USA) |
| 48A3-8-110 PRIMARY | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
NSN 4820-00-878-3356 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 4820-00-878-3356 has 2 cross-referenced part numbers: 1664 (Ashcroft Inc Dba Heise), 48A3-8-110 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).
There are 11 known substitutes for 4820-00-878-3356: 6115-00-235-8679, 4820-00-287-4087, 5965-00-338-4259 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for 48A3-8-110: Style Designator: ANGLE; Thread Series Designator: NPT FIRST END; Media for Which Designed: AIR FIRST RESPONSE; Operating Pressure: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 18 total characteristics are documented in the Federal Logistics Information System.