The Disk,valve, cataloged under National Stock Number 4820-01-014-2695, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Velan Valve Corp.. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-014-2695 |
| Primary Part Number | 8957-001-148 DWG 88426 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Velan Valve Corp. |
| Status | ACTIVE |
| Pressure Rating | 600.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 8957-001-148 DWG 88426 PRIMARY | Velan Valve Corp. (USA) |
| Reference | Meaning |
|---|---|
| 88426 | D/9 Drawing number reference only Velan Valve Corp. |
| 8957-1-31 | 5/9 Secondary reference Velan Valve Corp. |
| 8957-020-031 | 5/9 Secondary reference Velan Valve Corp. |
| 8957-1-148 | 5/9 Secondary reference Velan Valve Corp. |
NSN 4820-01-014-2695 is a Disk,valve, manufactured by Velan Valve Corp., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-014-2695 has 1 manufacturer part number on file: 8957-001-148 DWG 88426 (Velan Valve Corp.).
Key specifications for 8957-001-148 DWG 88426: Pressure Rating: 600.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS; End Item Identification: USED ON 5 AND 6IN PRESSURE SEAL GATE VALVES IN; Material: STEEL CORROSION RESISTING. 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.