The Stem and Disk Assem, cataloged under National Stock Number 4820-01-057-5722, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is The Walworth Company. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Stem and Disk Assem |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | The Walworth Company (CAGE 63686) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-057-5722 |
| Primary Part Number | N11262 |
| Item Name | Stem and Disk Assem |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | The Walworth Company |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| N11262 PRIMARY | The Walworth Company (USA) |
| 2620-922X1 PC 74,75 PRIMARY | The Walworth Company (USA) |
| 10786-8-2-1,10786-5-1-Y-6 | The Walworth Company (USA) |
| Reference | Meaning |
|---|---|
| 2620-922X1 PC 74,75 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-057-5722 is a Stem and Disk Assem, manufactured by The Walworth Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-057-5722 has 3 manufacturer part numbers on file: N11262 (The Walworth Company), 2620-922X1 PC 74,75 (The Walworth Company), 10786-8-2-1,10786-5-1-Y-6 (The Walworth Company).
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.