The Valve,butterfly, cataloged under National Stock Number 4820-01-578-9486, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-578-9486 |
| Item Name | Valve,butterfly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Material | STEEL COMP 316 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 2502520-01 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 2502520-01 | 3/9 Design control — primary reference Tri-Tec Manufacturing, Llc |
NSN 4820-01-578-9486 is a Valve,butterfly, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-578-9486: Special Features: 2 1/2 INCH W/RIGHT HAND GEAR BOX W/THRU HOLES IN; Part Name Assigned by Controlling Agency: BUTTERFLY VALVE ASSEMBLY; Material: STEEL COMP 316 OVERALL. 1 specification is 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.
NSN 4820-01-578-9486 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.