The Piston,valve, cataloged under National Stock Number 4820-01-257-8568, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Eaton Aerospace Llc Dba Eaton Aerospace Jackson. 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 | Piston,valve |
| FSC / FSG | 4820 — No Item Name Available (FSG 48) |
| Manufacturers | Eaton Aerospace Llc Dba Eaton Aerospace Jackson (CAGE 99643) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-257-8568 |
| Primary Part Number | 12588-1 |
| Item Name | Piston,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Eaton Aerospace Llc Dba Eaton Aerospace Jackson |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 12588-1 PRIMARY | Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA) |
NSN 4820-01-257-8568 is a Piston,valve, manufactured by Eaton Aerospace Llc Dba Eaton Aerospace Jackson, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-257-8568 has 1 cross-referenced part number: 12588-1 (Eaton Aerospace Llc Dba Eaton Aerospace Jackson).
There are 2 known substitutes for 4820-01-257-8568: 5999-00-882-6992, 4820-01-409-0054. Verify interchangeability with system specifications before substitution.