The Valve,safety Relief, cataloged under National Stock Number 4820-00-405-5105, 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 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-405-5105 |
| Primary Part Number | 20137 |
| 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 | DISK |
| Valve Size | 1.500 INCHES IN |
| Criticality Code Justification | ZZZY |
| Raised Face Nominal Diameter | 4.125 INCHES FIRST END IN |
| Connection Type | FLANGE FIRST END |
| Bonnet Type | INSIDE SPRING |
| Maximum Operating Temp | 300.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Operating Pressure | 2050.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Flange Face Design | RAISED STRAIGHT FIRST END |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTERACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| Raised Face Nominal Height | 0.250 INCHES FIRST END IN |
| Media for Which Designed | WATER, FRESH SINGLE RESPONSE |
| Features Provided | BONNET PACKING |
| Disk Loading Method | SPRING |
| Style Designator | ANGLE FLANGED ENDS |
| Valve Discharge Flow Rate | 106.0 GALLONS PER MINUTE |
| Valve Operation Method | HYDRAULIC |
| Bonnet Attachment Method | BOLTED |
| Material | STEEL CORROSION RESISTING OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 20137 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 5075EA140012 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| A15653 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
NSN 4820-00-405-5105 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 4820-00-405-5105 has 3 cross-referenced part numbers: 20137 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 5075EA140012 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), A15653 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).
There are 12 known substitutes for 4820-00-405-5105: 5331-00-006-2382, 4730-00-032-1517, 4820-00-064-7420 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 20137: Flow Control Device: DISK; Valve Size: 1.500 INCHES IN; Criticality Code Justification: ZZZY; Raised Face Nominal Diameter: 4.125 INCHES FIRST END IN. 19 total characteristics are documented in the Federal Logistics Information System.