PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

22050AAccumulator,hydraulic

Exstar International Corporation · NSN 2590-01-208-5831 · FSC 2590 · No Item Name Available
Verified by PartsTable
NSN 2590-01-208-5831 — this item is cataloged by the U.S. Government under National Stock Number 2590-01-208-5831. Primary manufacturer part number: 22050A.
Features
  • Accumulator,hydraulic — FSC 2590
  • Thread Class: 2A A
  • Shape: CYLINDRICAL
  • Operating Pressure: 1000.000 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
  • Material: STEEL CORROSION RESISTING
  • Criticality Code Justification: FEAT
  • Bleeder Opening: NOT INCLUDED
  • Port Screw Thread Quantity Per Inch: 14.000
Applications
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Accumulator,hydraulic, cataloged under National Stock Number 2590-01-208-5831, is classified within Federal Supply Class 2590 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Exstar International Corporation. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2590-01-208-5831
Primary Part Number22050A
Item NameAccumulator,hydraulic
FSC / FSG2590 / 25 — No Item Name Available
ManufacturerExstar International Corporation
StatusACTIVE
Thread Class2A A
ShapeCYLINDRICAL
Operating Pressure1000.000 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
MaterialSTEEL CORROSION RESISTING
Criticality Code JustificationFEAT
Bleeder OpeningNOT INCLUDED
Port Screw Thread Quantity Per Inch14.000
Cubic Capacity5.000 CUBIC INCHES
Cubic Measure5.000 CUBIC INCHES
Port Screw Thread Diameter0.500 INCHES NOMINAL IN
Separator TypeBLADDER
Port Screw Thread Series DesignatorNPT
Unpackaged Unit Weight1.500 POUNDS LBS
Overall Diameter1.810 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5930-00-258-557351MCD1221N2-1ITEM18 INTERCHANGEABLE
Switch,pressure
Carrier Corp
5330-00-411-609613071 INTERCHANGEABLE
Packing,preformed
Cummins Inc.
4330-01-203-889422050K002 INTERCHANGEABLE
Filter Element,fluid
Moog Military Aircraft Llc
4730-01-352-2467 INTERCHANGEABLE
Bushing,pipe
5998-01-422-78902205-0 INTERCHANGEABLE
Circuit Card Assembly
Hadax Electronics Inc
5330-01-449-358722050 INTERCHANGEABLE
Seal,plain
Bauer Equipment America, Inc.
5985-01-478-336722050 INTERCHANGEABLE
Isolator,radio Frequency Reflect
Professional Mariner Inc
6515-01-527-1260 INTERCHANGEABLE
Fog Inhibitor Kit,endoscopic Len
5840-01-544-602622050 INTERCHANGEABLE
Indicator,range
Charles Reed Knight Jr Dba Knight's Armament Company
6515-01-563-528322050 INTERCHANGEABLE
Protector,luer Lock Injector
Carmel Pharma, Inc.
Cross-Reference Index
Part NumberManufacturer
849210 Parker-Hannifin Corporation Div Hydraulic Accumulator Division (USA)
22050A PRIMARY Exstar International Corporation (USA)
18A-849210-000 PRIMARY Parker Hannifin Corporation Div Village Marine Tech (USA)
22050 Exstar International Corporation (USA)
Related Parts
5930-00-258-5573INTERCHANGEABLE
SWITCH,PRESSURE
51MCD1221N2-1ITEM18
5330-00-411-6096INTERCHANGEABLE
PACKING,PREFORMED
13071
4330-01-203-8894INTERCHANGEABLE
FILTER ELEMENT,FLUID
22050K002
4730-01-352-2467INTERCHANGEABLE
BUSHING,PIPE
5998-01-422-7890INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
2205-0
5330-01-449-3587INTERCHANGEABLE
SEAL,PLAIN
22050
5985-01-478-3367INTERCHANGEABLE
ISOLATOR,RADIO FREQUENCY REFLECT
22050
6515-01-527-1260INTERCHANGEABLE
FOG INHIBITOR KIT,ENDOSCOPIC LEN
5840-01-544-6026INTERCHANGEABLE
INDICATOR,RANGE
22050
6515-01-563-5283INTERCHANGEABLE
PROTECTOR,LUER LOCK INJECTOR
22050
9150-01-582-0126INTERCHANGEABLE
FOG OIL
22050
5950-01-619-5390INTERCHANGEABLE
TRANSFORMER,POWER
22050

Frequently Asked Questions

What is NSN 2590-01-208-5831?

NSN 2590-01-208-5831 is a Accumulator,hydraulic, manufactured by Exstar International Corporation, classified under FSC 2590 (No Item Name Available). Status: active.

What are the part numbers for NSN 2590-01-208-5831?

NSN 2590-01-208-5831 has 4 cross-referenced part numbers: 849210 (Parker-Hannifin Corporation Div Hydraulic Accumulator Division), 22050A (Exstar International Corporation), 18A-849210-000 (Parker Hannifin Corporation Div Village Marine Tech), 22050 (Exstar International Corporation).

What NSN replaces 2590-01-208-5831?

There are 12 known substitutes for 2590-01-208-5831: 5930-00-258-5573, 5330-00-411-6096, 4330-01-203-8894 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 22050A?

Key specifications for 22050A: Thread Class: 2A A; Shape: CYLINDRICAL; Operating Pressure: 1000.000 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Material: STEEL CORROSION RESISTING. 17 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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