The Valve,safety Relief, cataloged under National Stock Number 4820-01-198-0770, 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 17 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 | 4820-01-198-0770 |
| Primary Part Number | 0861801S0211 |
| 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 |
| Material | COPPER ALLOY STEM |
| Style Designator | ANGLE |
| Adjustable Pressure Range | +211.0 TO 240.0 POUNDS PER SQUARE INCH LBS |
| Valve Operation Method | AUTOMATIC |
| Bonnet Attachment Method | BOLTED |
| Maximum Operating Temp | 150.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Media for Which Designed | AIR FIRST RESPONSE |
| Bonnet Type | INSIDE SCREW |
| Connection Style | SOCKET WITH BRAZING RING ALL ENDS |
| Material | NICKEL ALLOY SEAT |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Material | NICKEL ALLOY FLOW CONTROL DEVICE |
| Material | COPPER ALLOY 922 BODY |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Nominal Pipe Size Accommodated | 2.500 INCHES FIRST END IN |
| Operating Pressure | 750.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 8618 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| E8618T41M | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| B1640-1-13 | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| E8618T41M | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 0861801S0211 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
NSN 4820-01-198-0770 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 4820-01-198-0770 has 5 cross-referenced part numbers: 8618 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), E8618T41M (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), B1640-1-13 (Circor Naval Solutions Llc Dba Warren Pumps), E8618T41M (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 0861801S0211 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
There are 12 known substitutes for 4820-01-198-0770: 1285-00-020-0060, 4730-00-100-2846, 2990-00-127-9443 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 0861801S0211: Flow Control Device: DISK; Material: COPPER ALLOY STEM; Style Designator: ANGLE; Adjustable Pressure Range: +211.0 TO 240.0 POUNDS PER SQUARE INCH LBS. 17 total characteristics are documented in the Federal Logistics Information System.