The Valve,safety Relief, cataloged under National Stock Number 4820-01-175-6357, 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 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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 | 4820-01-175-6357 |
| Primary Part Number | E9920R51M |
| 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 PIPE ALL ENDS |
| Bonnet Type | INSIDE SPRING |
| Nominal Pipe Size Accommodated | 0.250 INCHES ALL ENDS IN |
| Material | COPPER ALLOY BODY |
| Style Designator | ANGLE |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Operating Pressure | 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material | NICKEL ALLOY STEM |
| Disk Loading Method | SPRING |
| Material | NICKEL ALLOY FLOW CONTROL DEVICE |
| Maximum Operating Temp | 150.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Adjustable Pressure Range | +151.0 TO 180.0 POUNDS PER SQUARE INCH LBS |
| Material | NICKEL ALLOY SEAT |
| Connection Style | SOCKET WITH BRAZING RING ALL ENDS |
| Bonnet Attachment Method | UNION |
| Renewable Seat Ring Type | THREADED |
| Valve Operation Method | AUTOMATIC |
| Flow Control Device | DISK |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| E9920R51M PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| E9920R51M | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 9920 PART E9920R51M | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 9920 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 9920 PART E9920R51M | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
NSN 4820-01-175-6357 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 4820-01-175-6357 has 5 cross-referenced part numbers: E9920R51M (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), E9920R51M (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 9920 PART E9920R51M (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 9920 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 9920 PART E9920R51M (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
There are 12 known substitutes for 4820-01-175-6357: 5120-00-156-0969, 6625-00-197-3034, 5935-00-240-8169 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for E9920R51M: Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS; Bonnet Type: INSIDE SPRING; Nominal Pipe Size Accommodated: 0.250 INCHES ALL ENDS IN; Material: COPPER ALLOY BODY. 18 total characteristics are documented in the Federal Logistics Information System.