The Disk,valve, cataloged under National Stock Number 4820-01-447-6289, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-447-6289 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Pressure Rating | 250.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Material | NICKEL 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 |
|---|---|
| NB2522E-0250-32 | 3/9 Design control — primary reference Pima Valve, Llc |
| NB2522E-0000 | D/9 Drawing number reference only Pima Valve, Llc |
| NB2522E-0250-32 | C/1 Advisory reference — outside the item-of-supply concept Hunt Valve Company, Inc. |
| NB2522E-0000 PART 32 2-1/2IN | C/1 Advisory reference — outside the item-of-supply concept Hunt Valve Company, Inc. |
| NB2522E-0000 PART 32 2-1/2IN | 5/9 Secondary reference Pima Valve, Llc |
NSN 4820-01-447-6289 is a Disk,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-447-6289: Pressure Rating: 250.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Special Features: ONE PIECE DISK,MATL PER QQ-N-288,COMP A;COMPONENT OF 2-1/2 IN.BRONZE FLANGED GLOBE STOP VALVE,PIMA VALVE,MODEL NB2522E-0250 IN; End Item Identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS; Material: NICKEL ALLOY. 2 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.