The Disk,valve, cataloged under National Stock Number 4820-00-301-5596, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Portsmouth Naval Shipyard. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-301-5596 |
| Primary Part Number | 502-381PCB3 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Portsmouth Naval Shipyard |
| Status | ACTIVE |
| Material | NICKEL ALLOY |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 502-381PCB3 PRIMARY | Portsmouth Naval Shipyard (USA) |
| 6836 PRIMARY | Derbyshire Machine & Tool Co (USA) |
NSN 4820-00-301-5596 is a Disk,valve, manufactured by Portsmouth Naval Shipyard, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-301-5596 has 2 cross-referenced part numbers: 502-381PCB3 (Portsmouth Naval Shipyard), 6836 (Derbyshire Machine & Tool Co).
There are 8 known substitutes for 4820-00-301-5596: 3030-00-015-3606, 5935-00-060-4298, 5340-00-126-4201 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 502-381PCB3: Material: NICKEL ALLOY. 1 total characteristics are documented in the Federal Logistics Information System.