The Disk,valve, cataloged under National Stock Number 4820-01-441-9277, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-441-9277 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Pressure Rating | 200.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Style Designator | BUTTERFLY |
| Media for Which Designed | WATER OR OIL |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| 2"WC-8281-3 PC3 | C/1 Advisory reference — outside the item-of-supply concept Grinnell Corp Grinnell Supply Sales Div Sub of Tyco Laboratories Inc |
| 2 WC-8281-3 PC3 | 3/9 Design control — primary reference Grinnell Corp Grinnell Supply Sales Div Sub of Tyco Laboratories Inc |
NSN 4820-01-441-9277 is a Disk,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-441-9277: Pressure Rating: 200.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Style Designator: BUTTERFLY; Special Features: VALVE SIZE 2IN. IN; Media for Which Designed: WATER OR OIL. 4 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.