The Valve,safety Relief, cataloged under National Stock Number 4820-01-142-3188, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 manufacturers, 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 | 4820-01-142-3188 |
| Primary Part Number | 20385A01E0210 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Maximum Operating Temp | 500.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Material Document and Classification | ASTM A216,GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Adjustable Pressure Range | +181.0 TO 210.0 POUNDS PER SQUARE INCH LBS |
| Bolt Circle Nominal Diameter | 2.375 INCHES ALL ENDS IN |
| Material | STEEL BODY |
| Raised Face Nominal Height | 0.062 INCHES ALL ENDS IN |
| Nominal Outside Diameter | 3.500 INCHES ALL ENDS IN |
| Bolt Hole Nominal Diameter | 0.625 INCHES ALL ENDS IN |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| First Connection Face to Centerline Distance | 3.250 INCHES IN |
| Second Connection Face to Centerline Distance | 3.250 INCHES IN |
| Connection Type | FLANGE ALL ENDS |
| Bolt Hole Quantity | 4 ALL ENDS |
| Flange Face Design | RAISED WITH CURVE AND COUNTERBORE ALL ENDS |
| Bonnet Type | EXPOSED SPRING |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Valve Operation Method | AUTOMATIC |
| Raised Face Nominal Diameter | 1.375 INCHES ALL ENDS IN |
| Nominal Thickness | 0.438 INCHES ALL ENDS IN |
| Material | STEEL CORROSION RESISTING STEM |
| Valve Size | 0.500 INCHES IN |
| Bonnet Attachment Method | BOLTED |
| Material | STEEL CORROSION RESISTING SEAT |
| Style Designator | ANGLE FLANGED ENDS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 20385A01E0210 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 2038501E0210 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 2038501E0210 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 20138 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 20138S51SS | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 20385A01E0210 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
NSN 4820-01-142-3188 is a Valve,safety Relief, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-142-3188 has 6 cross-referenced part numbers: 20385A01E0210 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 2038501E0210 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 2038501E0210 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20138 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20138S51SS (Anderson Greenwood Lp Dba Anderson Greenwood Crosby) and 1 more.
There are 12 known substitutes for 4820-01-142-3188: 5133-00-228-1385, 5133-00-232-8161, 1650-00-364-6522 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 20385A01E0210: Flow Control Device: DISK; Maximum Operating Temp: 500.0 FAHRENHEIT SINGLE RESPONSE DEGF; Material Document and Classification: ASTM A216,GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE BODY; End Item Identification: NIMITZ CLASS CVN. 26 total characteristics are documented in the Federal Logistics Information System.