The Valve,butterfly, cataloged under National Stock Number 4820-01-422-0509, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-422-0509 |
| Item Name | Valve,butterfly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 2.500 INCHES ALL ENDS IN |
| Nondefinitive Spec/std Data | 1 TYPE AND A STYLE |
| Material | STEEL COMP 316 BODY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MIL-V-24624 | 5/9 Secondary reference U.S. Government activity |
| MIL-DTL-24624 | 4/1 Identification reference U.S. Government activity |
| M24624 STYA TYI 2.5IN | 2/2 Government specification standardization U.S. Government activity |
NSN 4820-01-422-0509 is a Valve,butterfly, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-422-0509: Nominal Pipe Size Accommodated: 2.500 INCHES ALL ENDS IN; Nondefinitive Spec/std Data: 1 TYPE AND A STYLE; Material: STEEL COMP 316 BODY. 3 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.