The Retainer,disk,valve, cataloged under National Stock Number 4820-01-468-3824, 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 7 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-468-3824 |
| Primary Part Number | 8258-007-061 |
| Item Name | Retainer,disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Velan Valve Corp. |
| Status | ACTIVE |
| Valve Model Number for Which Designed | 7880-034 |
| Outside Diameter | 5.500 INCHES NOMINAL IN |
| Nominal Thread Size | 4.500 INCHES IN |
| Valve Size for Which Designed | 8.000 INCHES IN |
| Inside Diameter | 3.0625 INCHES NOMINAL IN |
| Valve Design Control Activity | 57574 |
| Material | STEEL COMP 316 |
| 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 |
|---|---|
| 7880-034 ITEM NO 6 | Velan Valve Corp. (USA) |
| 8258-007-061 PRIMARY | Velan Valve Corp. (USA) |
| Reference | Meaning |
|---|---|
| 7880-034 | D/9 Drawing number reference only Velan Valve Corp. |
NSN 4820-01-468-3824 is a Retainer,disk,valve, manufactured by Velan Valve Corp., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-468-3824 has 2 manufacturer part numbers on file: 7880-034 ITEM NO 6 (Velan Valve Corp.), 8258-007-061 (Velan Valve Corp.).
Key specifications for 8258-007-061: Valve Model Number for Which Designed: 7880-034; Outside Diameter: 5.500 INCHES NOMINAL IN; Nominal Thread Size: 4.500 INCHES IN; Valve Size for Which Designed: 8.000 INCHES IN. 7 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.