PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

53549Piston,valve

Parker Hannifin Corporation Div Hydraulic Systems Division · NSN 4820-00-485-6366 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-485-6366 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-485-6366. Primary manufacturer part number: 53549.
Features
  • Piston,valve — FSC 4820
  • 1 verified cross-reference
  • 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 4820-00-485-6366, 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-485-6366
Primary Part Number53549
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
5330-00-282-7597 INTERCHANGEABLE
Gasket
5815-00-790-3256 INTERCHANGEABLE
Bracket
5331-01-195-48725354-9 INTERCHANGEABLE
O-Ring
Tate Andale, Llc
8465-01-649-273253549 INTERCHANGEABLE
Bag,water Carrying
Camelbak Products, Llc Dba Camelbak
Cross-Reference Index
Part NumberManufacturer
53549 PRIMARY Parker Hannifin Corporation Div Hydraulic Systems Division (USA)
Related Parts
5330-00-282-7597INTERCHANGEABLE
GASKET
5815-00-790-3256INTERCHANGEABLE
BRACKET
5331-01-195-4872INTERCHANGEABLE
O-RING
5354-9
8465-01-649-2732INTERCHANGEABLE
BAG,WATER CARRYING
53549

Frequently Asked Questions

What is NSN 4820-00-485-6366?

NSN 4820-00-485-6366 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 4820-00-485-6366?

NSN 4820-00-485-6366 has 1 cross-referenced part number: 53549 (Parker Hannifin Corporation Div Hydraulic Systems Division).

What NSN replaces 4820-00-485-6366?

There are 4 known substitutes for 4820-00-485-6366: 5330-00-282-7597, 5815-00-790-3256, 5331-01-195-4872 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 53549?

Key specifications for 53549: Special Features: W/COLLAR AND SEAL-RING. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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