The Disk,valve, cataloged under National Stock Number 4820-01-426-7023, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Andritz Naf Ab. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-426-7023 |
| Primary Part Number | NAF 486340-200MM PN21 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Andritz Naf Ab |
| Status | ACTIVE |
| Style Designator | SPLIT WEDGE |
| 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 |
|---|---|
| NAF 486340-200MM PN21 PRIMARY | Andritz Naf Ab (SWE) |
| FI21.72AGB 200MM PN21 | Andritz Naf Ab (SWE) |
| Reference | Meaning |
|---|---|
| NAF 486340-200MM PN21 | 3/9 Design control — primary reference Naf Ab |
| FI21.72AGB 200MM PN21 | 5/9 Secondary reference Naf Ab |
NSN 4820-01-426-7023 is a Disk,valve, manufactured by Andritz Naf Ab, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-426-7023 has 2 manufacturer part numbers on file: NAF 486340-200MM PN21 (Andritz Naf Ab), FI21.72AGB 200MM PN21 (Andritz Naf Ab).
Key specifications for NAF 486340-200MM PN21: Style Designator: SPLIT WEDGE; End Item Identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS. 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.
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.