The Plug,rotary,valve, cataloged under National Stock Number 4820-01-522-0329, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Cunico Corporation. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-522-0329 |
| Primary Part Number | 9046 |
| Item Name | Plug,rotary,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Cunico Corporation |
| Status | ACTIVE |
| Port Quantity | 2 |
| Port Shape | ROUND |
| Material | COPPER ALLOY |
| Plug Design | CYLINDRICAL |
| 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 |
|---|---|
| DD-4836 ITEM 2 | Cunico Corporation (USA) |
| 9046 PRIMARY | Cunico Corporation (USA) |
| Reference | Meaning |
|---|---|
| DD-4386 | D/9 Drawing number reference only Cunico Corporation |
NSN 4820-01-522-0329 is a Plug,rotary,valve, manufactured by Cunico Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-522-0329 has 2 manufacturer part numbers on file: DD-4836 ITEM 2 (Cunico Corporation), 9046 (Cunico Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-598-3082. Verify interchangeability with system specifications before substitution.
Key specifications for 9046: Port Quantity: 2; Port Shape: ROUND; End Item Identification: 4820-01-522-0300 VALVE, PLUG; Material: COPPER ALLOY. 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.