The Valve,safety Relief, cataloged under National Stock Number 4820-01-127-6669, 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 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-127-6669 |
| Primary Part Number | 2025501S0091 |
| 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 | +91.0 TO 105.0 POUNDS PER SQUARE INCH LBS |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Bonnet Type | INSIDE SPRING |
| Bonnet Attachment Method | THREADED |
| Valve Operation Method | AUTOMATIC |
| Nominal Pipe Size Accommodated | 0.750 INCHES ALL ENDS IN |
| Flow Control Device | DISK |
| Connection Style | SOCKET WITH BRAZING RING ALL ENDS |
| Maximum Operating Temp | 165.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Style Designator | ANGLE |
| Disk Loading Method | SPRING |
| Material | NICKEL ALLOY OVERALL |
| Media for Which Designed | OXYGEN, GASEOUS SINGLE RESPONSE |
| Operating Pressure | 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MIL-V-22549 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 20255 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 2025501S0091 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 20255M51M | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 20255 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 20255M51M | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
NSN 4820-01-127-6669 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 4820-01-127-6669 has 6 cross-referenced part numbers: MIL-V-22549 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 20255 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 2025501S0091 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 20255M51M (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 20255 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby) and 1 more.
There are 7 known substitutes for 4820-01-127-6669: 3431-00-086-1178, 5935-00-149-5453, 6130-00-284-0224 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2025501S0091: Adjustable Pressure Range: +91.0 TO 105.0 POUNDS PER SQUARE INCH LBS; Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS; Bonnet Type: INSIDE SPRING; Bonnet Attachment Method: THREADED. 15 total characteristics are documented in the Federal Logistics Information System.