The Valve,safety Relief, cataloged under National Stock Number 4820-00-789-0616, 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 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-789-0616 |
| Primary Part Number | 86-140 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| Status | ACTIVE |
| Valve Discharge Flow Rate | 173.0 CUBIC FEET PER MINUTE |
| Style Designator | ANGLE |
| Flow Control Device | DISK |
| Connection Type | FLANGE FIRST END |
| Bolt Circle Nominal Diameter | 2.500 INCHES FIRST END IN |
| Material | COPPER ALLOY OVERALL |
| Opening Pressure Setting | 140.0 POUNDS PER SQUARE INCH LBS |
| Nominal Thickness | 0.312 INCHES FIRST END IN |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Bolt Hole Nominal Diameter | 0.344 INCHES FIRST END IN |
| Bolt Hole Quantity | 6 FIRST END |
| Flange Shape | OVAL WITH HOLES FIRST END |
| Maximum Operating Temp | 400.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Disk Loading Method | SPRING |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Width | 2.156 INCHES FIRST END IN |
| Nominal Length | 2.938 INCHES FIRST END IN |
| Valve Operation Method | AUTOMATIC |
| Flange Face Design | PLAIN FIRST END |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-00-789-0616 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 4820-00-789-0616 has 3 cross-referenced part numbers: 24981 (Drs Environmental Systems Inc), 86-140 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 24981 (Davey Compressor Co Div of Keco Industries Inc).
There are 7 known substitutes for 4820-00-789-0616: 5330-00-741-1404, 4320-00-880-4953, 6145-01-080-5106 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 86-140: Valve Discharge Flow Rate: 173.0 CUBIC FEET PER MINUTE; Style Designator: ANGLE; Flow Control Device: DISK; Connection Type: FLANGE FIRST END. 19 total characteristics are documented in the Federal Logistics Information System.