PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

HA1044Disk,valve

Parker Hannifin Corporation Div Cylinder Division · NSN 4820-00-834-0855 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-834-0855 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-834-0855. Primary manufacturer part number: HA1044.
Features
  • Disk,valve — FSC 4820
  • Outside Diameter: 0.619 INCHES NOMINAL IN
  • Style Designator: SOLID
  • Material: STEEL
  • 2 verified cross-references
  • Primary manufacturer: Parker Hannifin Corporation Div Cylinder Division
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-00-834-0855, 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 Cylinder Division. Government technical data includes 3 verified specifications, 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-834-0855
Primary Part NumberHA1044
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerParker Hannifin Corporation Div Cylinder Division
StatusACTIVE
Outside Diameter0.619 INCHES NOMINAL IN
Style DesignatorSOLID
MaterialSTEEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5935-00-493-6394 INTERCHANGEABLE
Connector,plug,electrical
5950-00-647-6060 INTERCHANGEABLE
Transformer,audio Frequency
5985-00-836-06414162C INTERCHANGEABLE
Coupler,directional
Bird Electronic Corporation Div Bird Electronic Corp
7510-01-063-4895110001 INTERCHANGEABLE
Typing Element
Federal Marketing Co Div of Virginia Impression Products Inc
5330-01-119-494116208 INTERCHANGEABLE
Gasket
Westerbeke Corporation
3010-01-372-559416208 INTERCHANGEABLE
Coupling,shaft,rigid
H-K Connecticut Holding Company
1385-01-551-524516208 INTERCHANGEABLE
Manipulator
Teledyne Flir Unmanned Ground Systems, Inc
Cross-Reference Index
Part NumberManufacturer
HA1044 PRIMARY Parker Hannifin Corporation Div Cylinder Division (USA)
16208 Terex Reedrill Dba Reedrill Texoma Div Terex Mining (USA)
Related Parts
5935-00-493-6394INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5950-00-647-6060INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5985-00-836-0641INTERCHANGEABLE
COUPLER,DIRECTIONAL
4162C
7510-01-063-4895INTERCHANGEABLE
TYPING ELEMENT
110001
5330-01-119-4941INTERCHANGEABLE
GASKET
16208
3010-01-372-5594INTERCHANGEABLE
COUPLING,SHAFT,RIGID
16208
1385-01-551-5245INTERCHANGEABLE
MANIPULATOR
16208

Frequently Asked Questions

What is NSN 4820-00-834-0855?

NSN 4820-00-834-0855 is a Disk,valve, manufactured by Parker Hannifin Corporation Div Cylinder Division, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-834-0855?

NSN 4820-00-834-0855 has 2 cross-referenced part numbers: HA1044 (Parker Hannifin Corporation Div Cylinder Division), 16208 (Terex Reedrill Dba Reedrill Texoma Div Terex Mining).

What NSN replaces 4820-00-834-0855?

There are 7 known substitutes for 4820-00-834-0855: 5935-00-493-6394, 5950-00-647-6060, 5985-00-836-0641 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of HA1044?

Key specifications for HA1044: Outside Diameter: 0.619 INCHES NOMINAL IN; Style Designator: SOLID; Material: STEEL; Special Features: BODY OD TAPERED 60.0 DEG,0.095 IN. LG IN. 5 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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