The Valve,butterfly, cataloged under National Stock Number 4820-01-656-2148, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is W & O Supply Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Valve,butterfly |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | W & O Supply Inc (CAGE 1QP40); W. & O. Supply, Inc. Div Mobile (CAGE 4YUS3) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-656-2148 |
| Primary Part Number | 025-1WA-291FGF-3XG |
| Item Name | Valve,butterfly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | W & O Supply Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 025-1WA-291FGF-3XG | W & O Supply Inc (USA) |
| 025-1WA-291FGF-3XG | W. & O. Supply, Inc. Div Mobile (USA) |
| Reference | Meaning |
|---|---|
| 025-1WA-291FGF-3XG REV F | D/9 Drawing number reference only Mcc Holdings, Inc. Dba Crane Valve North America Div Crane Chempharma & Energy |
| 025-1WA-291FGF-3XG | 3/9 Design control — primary reference Mcc Holdings, Inc. Dba Crane Valve North America Div Crane Chempharma & Energy |
NSN 4820-01-656-2148 is a Valve,butterfly, manufactured by W & O Supply Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-656-2148 has 2 manufacturer part numbers on file: 025-1WA-291FGF-3XG (W & O Supply Inc), 025-1WA-291FGF-3XG (W. & O. Supply, Inc. Div Mobile).
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.