The Disk,valve, cataloged under National Stock Number 4820-01-146-7908, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is The Walworth Company. Government technical data includes 5 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-146-7908 |
| Primary Part Number | 700663252 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | The Walworth Company |
| Status | ACTIVE |
| Taper Minor Diameter | 1.487 INCHES NOMINAL IN |
| Style Designator | SOLID WEDGE |
| Taper Major Diameter | 2.131 INCHES NOMINAL IN |
| Taper Length | 4.234 INCHES NOMINAL IN |
| Material | STEEL |
| 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 |
|---|---|
| 700663252 PRIMARY | The Walworth Company (USA) |
| KB-7510-19 PRIMARY | The Walworth Company (USA) |
| Reference | Meaning |
|---|---|
| CN-11398-1-3 3IN | 5/9 Secondary reference The Walworth Company |
| N-11398-1-3 3IN | C/1 Advisory reference — outside the item-of-supply concept The Walworth Company |
| N-11398-1-3 | C/1 Advisory reference — outside the item-of-supply concept The Walworth Company |
| CN-11398-1-3 | 5/9 Secondary reference The Walworth Company |
NSN 4820-01-146-7908 is a Disk,valve, manufactured by The Walworth Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-146-7908 has 2 manufacturer part numbers on file: 700663252 (The Walworth Company), KB-7510-19 (The Walworth Company).
Key specifications for 700663252: Overall Height: 5.250 INCHES NOMINAL IN; Taper Minor Diameter: 1.487 INCHES NOMINAL IN; Style Designator: SOLID WEDGE; Taper Major Diameter: 2.131 INCHES NOMINAL IN. 5 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.