The Valve,safety Relief, cataloged under National Stock Number 4820-01-285-4558, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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 | 4820-01-285-4558 |
| Primary Part Number | 20348LS41M |
| 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 |
| Connection Type | UNTHREADED INTERNAL TUBE ALL ENDS |
| Maximum Operating Temp | 150.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Adjustable Pressure Range | +76.0 TO 90.0 POUNDS PER SQUARE INCH LBS |
| Material | COPPER ALLOY BODY |
| Nominal Outside Diameter Tube Accommodated | 1.250 INCHES ALL ENDS IN |
| Valve Operation Method | AUTOMATIC |
| Disk Loading Method | SPRING |
| Flow Control Device | DISK |
| Style Designator | ANGLE |
| Material | NICKEL ALLOY STEM |
| Connection Style | SOCKET WITH BRAZING RING ALL ENDS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 20348LS41M | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 20348LS41M PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 20348 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
NSN 4820-01-285-4558 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 4820-01-285-4558 has 3 cross-referenced part numbers: 20348LS41M (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20348LS41M (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 20348 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).
There are 7 known substitutes for 4820-01-285-4558: 3110-00-142-4422, 4720-00-488-8627, 3120-00-739-0782 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 20348LS41M: Connection Type: UNTHREADED INTERNAL TUBE ALL ENDS; Maximum Operating Temp: 150.0 FAHRENHEIT SINGLE RESPONSE DEGF; Adjustable Pressure Range: +76.0 TO 90.0 POUNDS PER SQUARE INCH LBS; Material: COPPER ALLOY BODY. 12 total characteristics are documented in the Federal Logistics Information System.