The Stem,fluid Valve, cataloged under National Stock Number 4820-01-251-7511, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, 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 | 4820-01-251-7511 |
| Primary Part Number | 12491 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris |
| Status | ACTIVE |
| Valve Type for Which Designed | RELIEF |
| Valve Size for Which Designed | 1.500 INCHES IN |
| Valve Model Number for Which Designed | 1850 |
| Material | STEEL COMP 316 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 18215-F | Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris (USA) |
| 18215-F PIECE 6 | Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris (USA) |
| 12491 PRIMARY | Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris (USA) |
NSN 4820-01-251-7511 is a Stem,fluid Valve, manufactured by Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-251-7511 has 3 cross-referenced part numbers: 18215-F (Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris), 18215-F PIECE 6 (Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris), 12491 (Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris).
There are 12 known substitutes for 4820-01-251-7511: 5930-00-115-9757, 6615-00-197-0425, 6615-00-242-5869 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 12491: Valve Type for Which Designed: RELIEF; Valve Size for Which Designed: 1.500 INCHES IN; Valve Model Number for Which Designed: 1850; Material: STEEL COMP 316. 4 total characteristics are documented in the Federal Logistics Information System.