The Valve,safety Relief, cataloged under National Stock Number 4820-01-184-3570, 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 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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 | 4820-01-184-3570 |
| Primary Part Number | 20221CS41M |
| 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 |
| Flange Face Design | PLAIN ALL ENDS |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Style Designator | STRAIGHT THRU FLANGED ENDS |
| Nominal Thickness | 0.375 INCHES ALL ENDS IN |
| Bolt Hole Quantity | 3 ALL ENDS |
| Nominal Outside Diameter | 3.562 INCHES ALL ENDS IN |
| Bolt Circle Nominal Diameter | 2.438 INCHES ALL ENDS IN |
| Bonnet Attachment Method | BOLTED |
| Flow Control Device | DISK |
| Valve Size | 0.500 INCHES IN |
| Second Connection Face to Centerline Distance | 3.094 INCHES IN |
| Connection Type | FLANGE ALL ENDS |
| Bolt Hole Nominal Diameter | 0.562 INCHES ALL ENDS IN |
| First Connection Face to Centerline Distance | 3.094 INCHES IN |
| Valve Operation Method | AUTOMATIC |
| Adjustable Pressure Range | +15.0 TO 19.0 POUNDS PER SQUARE INCH LBS |
| Bonnet Type | INSIDE SPRING |
| Material | COPPER ALLOY BODY |
| Face to Face Distance | 1.250 INCHES IN |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 20221CS41M PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 20221 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 2022101E0015 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 20221CS41M | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
NSN 4820-01-184-3570 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 4820-01-184-3570 has 4 cross-referenced part numbers: 20221CS41M (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 20221 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 2022101E0015 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 20221CS41M (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).
There are 12 known substitutes for 4820-01-184-3570: 3110-00-100-6175, 5915-00-147-7738, 2910-00-148-7495 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 20221CS41M: Flange Face Design: PLAIN ALL ENDS; Media for Which Designed: WATER-OIL-GAS SINGLE RESPONSE; Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Style Designator: STRAIGHT THRU FLANGED ENDS. 21 total characteristics are documented in the Federal Logistics Information System.