The Valve,butterfly, cataloged under National Stock Number 4820-01-568-5580, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is W & O Supply Inc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-568-5580 |
| Primary Part Number | 031WA-291FGF-BMG |
| Item Name | Valve,butterfly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | W & O Supply Inc |
| Status | ACTIVE |
| Style Designator | STRAIGHT THRU |
| Valve Size | 3.000 INCHES IN |
| Mounting Facility | WAFER |
| Media for Which Designed | FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
| Material | STEEL CORROSION RESISTING BODY |
| 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 |
|---|---|
| 031WA-291FGF-BMG | W & O Supply Inc (USA) |
| Reference | Meaning |
|---|---|
| 031WA-291FGF-BMG | 3/9 Design control — primary reference Mcc Holdings, Inc. Dba Crane Valve North America Use CAGE Code 59309 for Cataloging |
NSN 4820-01-568-5580 is a Valve,butterfly, manufactured by W & O Supply Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-568-5580 has 1 manufacturer part number on file: 031WA-291FGF-BMG (W & O Supply Inc).
Key specifications for 031WA-291FGF-BMG: Style Designator: STRAIGHT THRU; Valve Size: 3.000 INCHES IN; Mounting Facility: WAFER; Media for Which Designed: FUEL/OIL, HYDROCARBON SINGLE RESPONSE. 5 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.