The Valve,safety Relief, cataloged under National Stock Number 4820-01-198-1104, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 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 | 4820-01-198-1104 |
| Primary Part Number | 20210J02S0045 |
| 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 |
| Adjustable Pressure Range | +45.0 TO 55.0 POUNDS PER SQUARE INCH LBS |
| Connection Style | SOCKET WITH BRAZING RING ALL ENDS |
| Nominal Pipe Size Accommodated | 0.500 INCHES ALL ENDS IN |
| Material | NICKEL ALLOY SEAT |
| Material | NICKEL ALLOY STEM |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Valve Operation Method | AUTOMATIC |
| Maximum Operating Temp | 165.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Operating Pressure | 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Style Designator | ANGLE |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Material | COPPER ALLOY 922 BODY |
| Bonnet Attachment Method | BOLTED |
| Material | NICKEL ALLOY FLOW CONTROL DEVICE |
| Flow Control Device | DISK |
| Bonnet Type | INSIDE SPRING |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 20210J02S0045 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 20210H51M | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| D54UU-05 1/2 INCH | Danco Valve Company (USA) |
| 20210 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 20210J02S0045 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
NSN 4820-01-198-1104 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 4820-01-198-1104 has 5 cross-referenced part numbers: 20210J02S0045 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20210H51M (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), D54UU-05 1/2 INCH (Danco Valve Company), 20210 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20210J02S0045 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
There are 12 known substitutes for 4820-01-198-1104: 4310-00-168-8725, 5935-00-216-7435, 5915-00-393-1813 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 20210J02S0045: Adjustable Pressure Range: +45.0 TO 55.0 POUNDS PER SQUARE INCH LBS; Connection Style: SOCKET WITH BRAZING RING ALL ENDS; Nominal Pipe Size Accommodated: 0.500 INCHES ALL ENDS IN; Material: NICKEL ALLOY SEAT. 17 total characteristics are documented in the Federal Logistics Information System.