The Valve,plug, cataloged under National Stock Number 4820-00-066-5152, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 12 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-066-5152 |
| Primary Part Number | 1533329 |
| Item Name | Valve,plug |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Connection Style | INVERTED FLARE (PIPE) FIRST END |
| Criticality Code Justification | FEAT |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 1.000 INCHES SECOND END IN |
| Nominal Thread Size | 0.375 INCHES FIRST END IN |
| Seat Angle | 30.0 DEGREES FIRST END |
| Surface Treatment | OXIDE |
| Thread Class | 3A SECOND END A |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | UNEF SECOND END |
| Thread Series Designator | NPT FIRST END |
| Valve Operation Method | MANUAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 1533329 | Ordnance Parts and Engineering Co (USA) |
| 1533329 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 4820PL0872726 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 1533329 | 5/9 Secondary reference Ampco Pumps Company Llc |
| 1533329 | 5/9 Secondary reference Ampco Metal Inc. Dba Ampco Metal Inc |
NSN 4820-00-066-5152 is a Valve,plug, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-066-5152 has 2 manufacturer part numbers on file: 1533329 (Ordnance Parts and Engineering Co), 1533329 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 1533329: Connection Style: INVERTED FLARE (PIPE) FIRST END; Criticality Code Justification: FEAT; Thread Direction: RIGHT-HAND ALL ENDS; Nominal Thread Size: 1.000 INCHES SECOND END IN. 12 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.