The Seat,valve, cataloged under National Stock Number 4820-00-334-2898, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Navsurfwarcen Det Picatinny. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-334-2898 |
| Primary Part Number | BUWEPSDWG1396319 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Navsurfwarcen Det Picatinny |
| Status | ACTIVE |
| Body Outside Diameter | 0.306 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN |
| Material | PLASTIC OVERALL |
| 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 |
|---|---|
| BUWEPSDWG1396319 PRIMARY | Navsurfwarcen Det Picatinny (USA) |
| 1396319 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 1396319 | C/1 Advisory reference — outside the item-of-supply concept Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| BUWEPSDWG1396319 | 3/9 Design control — primary reference Department of the Navy Naval Surface Warfare Center Crane Detachment |
NSN 4820-00-334-2898 is a Seat,valve, manufactured by Navsurfwarcen Det Picatinny, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-334-2898 has 2 manufacturer part numbers on file: BUWEPSDWG1396319 (Navsurfwarcen Det Picatinny), 1396319 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for BUWEPSDWG1396319: Overall Height: 0.343 INCHES NOMINAL IN; Body Outside Diameter: 0.306 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN; Material: PLASTIC OVERALL. 2 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.