The Valve,safety Relief, cataloged under National Stock Number 4820-00-287-4089, 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 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-287-4089 |
| Primary Part Number | 48SIZE3-8 50PSI |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| Status | CANCELLED |
| Connection Type | THREADED EXTERNAL PIPE ALL ENDS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Bonnet Attachment Method | THREADED |
| Flow Control Device | POPPET |
| Bonnet Type | EXPOSED SPRING |
| Disk Loading Method | SPRING |
| Media for Which Designed | GAS, NATURAL SECOND RESPONSE |
| Material | COPPER ALLOY OVERALL |
| Nominal Thread Size | 0.375 INCHES ALL ENDS IN |
| Thread Series Designator | NPT ALL ENDS |
| Media for Which Designed | AIR FIRST RESPONSE |
| Style Designator | ANGLE |
| Opening Pressure Setting | 50.0 POUNDS PER SQUARE INCH LBS |
| Operating Pressure | 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Valve Operation Method | AUTOMATIC OR MANUAL |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Valve Discharge Flow Rate | 31.0 CUBIC FEET PER MINUTE |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 664-368 | Harsco Corp Bmy-Combat Systems Div (USA) |
| 48SIZE3-8 50PSI PRIMARY | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 70607 PRIMARY | Cummins Inc. (USA) |
| EN25-66 | Pierce Co Inc the Sub of Avis Industrial Corp (USA) |
| FIG48-3-8-50LB PRIMARY | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 2510 | Precision Instruments Inc (USA) |
| A9052 PRIMARY | Dcm Manufacturing, Inc. (USA) |
| 16553 PRIMARY | Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA) |
| A9052KITAK67 PRIMARY | Dcm Manufacturing, Inc. (USA) |
| FIG48SIZE3-8-50PSI PRIMARY | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| B2916 PRIMARY | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 00664-0368 | Harsco Corp Bmy-Combat Systems Div (USA) |
| 1603496 | Ready Power Co the (USA) |
| EN25-66 | Winco, Inc. (USA) |
NSN 4820-00-287-4089 is a Valve,safety Relief, manufactured by Anderson Greenwood Lp Dba Anderson Greenwood Crosby, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-287-4089 has 14 cross-referenced part numbers: 664-368 (Harsco Corp Bmy-Combat Systems Div), 48SIZE3-8 50PSI (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 70607 (Cummins Inc.), EN25-66 (Pierce Co Inc the Sub of Avis Industrial Corp), FIG48-3-8-50LB (Anderson Greenwood Lp Dba Anderson Greenwood Crosby) and 9 more.
There are 10 known substitutes for 4820-00-287-4089: 5996-00-006-5807, 5905-00-100-8599, 2040-00-262-4426 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 48SIZE3-8 50PSI: Connection Type: THREADED EXTERNAL PIPE ALL ENDS; Thread Direction: RIGHT-HAND ALL ENDS; Bonnet Attachment Method: THREADED; Flow Control Device: POPPET. 17 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-287-4089 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.