PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20798Piston,valve

Parker Hannifin Corporation Div Hydraulic Systems Division · NSN 4820-01-360-2423 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-360-2423 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-360-2423. Primary manufacturer part number: 20798.
Features
  • Piston,valve — FSC 4820
  • 2 verified cross-references
  • Primary manufacturer: Parker Hannifin Corporation Div Hydraulic Systems Division
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Piston,valve, cataloged under National Stock Number 4820-01-360-2423, 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 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NamePiston,valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersParker Hannifin Corporation Div Hydraulic Systems Division (CAGE 93835)
Technical Specifications
ParameterValue
NSN4820-01-360-2423
Primary Part Number20798
Item NamePiston,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerParker Hannifin Corporation Div Hydraulic Systems Division
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
6650-00-382-17481168861 INTERCHANGEABLE
Prism,optical Instrument
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5998-01-143-9104 INTERCHANGEABLE
Circuit Card Assembly
5310-01-436-109720798 INTERCHANGEABLE
Washer,lock
Triumph Actuation Systems - Valencia, Inc. Dba Triumph Actuation Systems - Valencia Inc Div Triumph Actuation Systems-Val
6840-01-592-382621510 INTERCHANGEABLE
Disinfectant,utility
Sultan Healthcare Inc
Cross-Reference Index
Part NumberManufacturer
20798 PRIMARY Parker Hannifin Corporation Div Hydraulic Systems Division (USA)
65282-03 PIECE 41 Parker Hannifin Corporation Div Hydraulic Systems Division (USA)
Related Parts
6650-00-382-1748INTERCHANGEABLE
PRISM,OPTICAL INSTRUMENT
1168861
5998-01-143-9104INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5310-01-436-1097INTERCHANGEABLE
WASHER,LOCK
20798
6840-01-592-3826INTERCHANGEABLE
DISINFECTANT,UTILITY
21510

Frequently Asked Questions

What is NSN 4820-01-360-2423?

NSN 4820-01-360-2423 is a Piston,valve, manufactured by Parker Hannifin Corporation Div Hydraulic Systems Division, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-360-2423?

NSN 4820-01-360-2423 has 2 cross-referenced part numbers: 20798 (Parker Hannifin Corporation Div Hydraulic Systems Division), 65282-03 PIECE 41 (Parker Hannifin Corporation Div Hydraulic Systems Division).

What NSN replaces 4820-01-360-2423?

There are 4 known substitutes for 4820-01-360-2423: 6650-00-382-1748, 5998-01-143-9104, 5310-01-436-1097 and 1 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com