The Valve,safety Relief, cataloged under National Stock Number 4820-01-397-1220, 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 10 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 | 4820-01-397-1220 |
| Primary Part Number | 20092 ASSEMBLY 20092G51M |
| 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 |
| Nominal Pipe Size Accommodated | 0.250 INCHES ALL ENDS IN |
| Valve Operation Method | AUTOMATIC |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Disk Loading Method | SPRING |
| Material | COPPER ALLOY BODY |
| Style Designator | ANGLE |
| Material | NICKEL ALLOY STEM |
| Connection Style | SOCKET ALL ENDS |
| Adjustable Pressure Range | +23.0 TO 45.0 POUNDS PER SQUARE INCH LBS |
| Flow Control Device | DISK |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 20092 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 20092 ASSEMBLY 20092G51M PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 20092G51M | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 20092G51M | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 20092 ASSEMBLY 20092G51M | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
NSN 4820-01-397-1220 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 4820-01-397-1220 has 5 cross-referenced part numbers: 20092 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20092 ASSEMBLY 20092G51M (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 20092G51M (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20092G51M (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 20092 ASSEMBLY 20092G51M (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).
There are 12 known substitutes for 4820-01-397-1220: 5950-00-178-8549, 3455-00-232-4211, 5340-00-410-8779 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 20092 ASSEMBLY 20092G51M: Nominal Pipe Size Accommodated: 0.250 INCHES ALL ENDS IN; Valve Operation Method: AUTOMATIC; Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS; Disk Loading Method: SPRING. 11 total characteristics are documented in the Federal Logistics Information System.