The Valve,safety Relief, cataloged under National Stock Number 4820-01-263-0873, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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 | 4820-01-263-0873 |
| Primary Part Number | E9920M51M |
| 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 |
| Valve Operation Method | AUTOMATIC |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Flow Control Device | DISK |
| Material | NICKEL ALLOY SEAT |
| Material | COPPER ALLOY BODY |
| Maximum Operating Temp | 150.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Adjustable Pressure Range | +91.0 TO 105.0 POUNDS PER SQUARE INCH LBS |
| 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 |
| Material | NICKEL ALLOY FLOW CONTROL DEVICE |
| Connection Style | SOCKET WITH BRAZING RING ALL ENDS |
| Nominal Pipe Size Accommodated | 0.250 INCHES ALL ENDS IN |
| Style Designator | ANGLE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| D54UU-06 1/4 | Danco Valve Company (USA) |
| E9920M51M PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| E9920M51M | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 9920 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
NSN 4820-01-263-0873 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 4820-01-263-0873 has 4 cross-referenced part numbers: D54UU-06 1/4 (Danco Valve Company), E9920M51M (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), E9920M51M (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 9920 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).
There are 12 known substitutes for 4820-01-263-0873: 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 E9920M51M: Valve Operation Method: AUTOMATIC; Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS; Flow Control Device: DISK; Material: NICKEL ALLOY SEAT. 14 total characteristics are documented in the Federal Logistics Information System.