PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21227Hanger and Piston Assembly

Parker Hannifin Corporation Div Hydraulic Systems Division · NSN 4320-01-219-0958 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-219-0958 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-219-0958. Primary manufacturer part number: 21227.
Features
  • Hanger and Piston Assembly — FSC 4320
  • 1 verified cross-reference
  • Primary manufacturer: Parker Hannifin Corporation Div Hydraulic Systems Division
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Hanger and Piston Assembly, cataloged under National Stock Number 4320-01-219-0958, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-219-0958
Primary Part Number21227
Item NameHanger and Piston Assembly
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerParker Hannifin Corporation Div Hydraulic Systems Division
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3120-00-371-638921-227 INTERCHANGEABLE
Bearing,sleeve
Dresser Industries Inc Leroi Div
5940-00-502-1455SCB18902 INTERCHANGEABLE
Terminal Board
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5935-00-905-816645-5250S-464-1 INTERCHANGEABLE
Connector Body,plug,electrical
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
5935-00-905-816945-5250S-464-3 INTERCHANGEABLE
Connector Body,plug,electrical
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
5935-00-905-8173E622379-4 INTERCHANGEABLE
Connector Body,plug,electrical
Raytheon Co
5310-01-240-061521227 INTERCHANGEABLE
Nut,special
Dresser, Llc
4820-01-273-055121227 INTERCHANGEABLE
Parts Kit,valve
Hydro Engineering Innovation, Llc
6550-01-359-5097R21227 INTERCHANGEABLE
Kovacs Reagent
Remel Inc.
5985-01-462-408021227 INTERCHANGEABLE
Coupler,rotary,radio Frequency
Frontgrade Technologies Inc.
Cross-Reference Index
Part NumberManufacturer
21227 PRIMARY Parker Hannifin Corporation Div Hydraulic Systems Division (USA)
Related Parts
3120-00-371-6389INTERCHANGEABLE
BEARING,SLEEVE
21-227
5940-00-502-1455INTERCHANGEABLE
TERMINAL BOARD
SCB18902
5935-00-905-8166INTERCHANGEABLE
CONNECTOR BODY,PLUG,ELECTRICAL
45-5250S-464-1
5935-00-905-8169INTERCHANGEABLE
CONNECTOR BODY,PLUG,ELECTRICAL
45-5250S-464-3
5935-00-905-8173INTERCHANGEABLE
CONNECTOR BODY,PLUG,ELECTRICAL
E622379-4
5310-01-240-0615INTERCHANGEABLE
NUT,SPECIAL
21227
4820-01-273-0551INTERCHANGEABLE
PARTS KIT,VALVE
21227
6550-01-359-5097INTERCHANGEABLE
KOVACS REAGENT
R21227
5985-01-462-4080INTERCHANGEABLE
COUPLER,ROTARY,RADIO FREQUENCY
21227

Frequently Asked Questions

What is NSN 4320-01-219-0958?

NSN 4320-01-219-0958 is a Hanger and Piston Assembly, manufactured by Parker Hannifin Corporation Div Hydraulic Systems Division, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-219-0958?

NSN 4320-01-219-0958 has 1 cross-referenced part number: 21227 (Parker Hannifin Corporation Div Hydraulic Systems Division).

What NSN replaces 4320-01-219-0958?

There are 9 known substitutes for 4320-01-219-0958: 3120-00-371-6389, 5940-00-502-1455, 5935-00-905-8166 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21227?

Key specifications for 21227: End Item Identification: HELICOPTER MODEL CH-53E. 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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