The Retainer,disk,valve, cataloged under National Stock Number 4820-01-473-2047, 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 4 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-473-2047 |
| Primary Part Number | 9137-6-1 |
| Item Name | Retainer,disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | The Walworth Company |
| Status | ACTIVE |
| Valve Model Number for Which Designed | N-11299 |
| Valve Size for Which Designed | 3.000 INCHES IN |
| Valve Design Control Activity | 63686 |
| 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 |
|---|---|
| 9137-6-1 PRIMARY | The Walworth Company (USA) |
| N-11299 3IN PC6 | The Walworth Company (USA) |
NSN 4820-01-473-2047 is a Retainer,disk,valve, manufactured by The Walworth Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-473-2047 has 2 manufacturer part numbers on file: 9137-6-1 (The Walworth Company), N-11299 3IN PC6 (The Walworth Company).
Key specifications for 9137-6-1: Valve Model Number for Which Designed: N-11299; Valve Size for Which Designed: 3.000 INCHES IN; Special Features: FOR GENERAL APPLICATION. USE NSN 4820-01-116-3205 FOR NUCLEAR APPLICATIONS. PART OF GLOBE VALVE; Valve Design Control Activity: 63686. 4 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.