The Valve Assembly, cataloged under National Stock Number 4810-01-558-3416, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Watts Regulator Company. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-01-558-3416 |
| Primary Part Number | 909LF/0384880-2.50IN |
| Item Name | Valve Assembly |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Watts Regulator Company |
| Status | ACTIVE |
| Valve Quantity | 3 |
| Operating Pressure and Type | 175.0 POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED LBS |
| Connection Type | FLANGE, ROUND W/HOLES |
| End Connection Quantity | 2 |
| Valve Size | 2.500 INCHES IN |
| Body Material | IRON CAST |
| Valve Operation Method | AUTOMATIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 909LF/0384880-2.50IN PRIMARY | Watts Regulator Company (USA) |
| 909LF-2.50IN | Watts Regulator Company (USA) |
| 098268021615 | Watts Regulator Company (USA) |
NSN 4810-01-558-3416 is a Valve Assembly, manufactured by Watts Regulator Company, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-558-3416 has 3 manufacturer part numbers on file: 909LF/0384880-2.50IN (Watts Regulator Company), 909LF-2.50IN (Watts Regulator Company), 098268021615 (Watts Regulator Company).
Key specifications for 909LF/0384880-2.50IN: Valve Quantity: 3; Operating Pressure and Type: 175.0 POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED LBS; Connection Type: FLANGE, ROUND W/HOLES; End Connection Quantity: 2. 7 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.