The Valve Assembly, cataloged under National Stock Number 4820-00-380-3663, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Item Name | Valve Assembly |
| FSC / FSG | 4820 — No Item Name Available (FSG 48) |
| Manufacturers | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (CAGE 10001) |
| Parameter | Value |
|---|---|
| NSN | 4820-00-380-3663 |
| Primary Part Number | 256853 |
| Item Name | Valve Assembly |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 256853 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 4820-00-380-3663 is a Valve Assembly, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-380-3663 has 1 cross-referenced part number: 256853 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
There are 2 known substitutes for 4820-00-380-3663: 5310-00-220-6740, 1680-00-776-6149. Verify interchangeability with system specifications before substitution.