The Piston,valve, cataloged under National Stock Number 4820-01-326-5981, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Parker Hannifin Corporation Div Hydraulic Systems Division. 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 | Parker Hannifin Corporation Div Hydraulic Systems Division (CAGE 93835) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-326-5981 |
| Primary Part Number | 21589 |
| Item Name | Piston,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Parker Hannifin Corporation Div Hydraulic Systems Division |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 21589 PRIMARY | Parker Hannifin Corporation Div Hydraulic Systems Division (USA) |
NSN 4820-01-326-5981 is a Piston,valve, manufactured by Parker Hannifin Corporation Div Hydraulic Systems Division, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-326-5981 has 1 cross-referenced part number: 21589 (Parker Hannifin Corporation Div Hydraulic Systems Division).
There are 2 known substitutes for 4820-01-326-5981: 5340-00-903-2816, 5977-00-970-7027. Verify interchangeability with system specifications before substitution.