PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

22506Piston,pump

Parker Hannifin Corporation Div Hydraulic Systems Division · NSN 4320-01-485-7688 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-485-7688 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-485-7688. Primary manufacturer part number: 22506.
Features
  • Piston,pump — FSC 4320
  • Criticality Code Justification: FEAT
  • 3 verified cross-references
  • Primary manufacturer: Parker Hannifin Corporation Div Hydraulic Systems Division
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Piston,pump, cataloged under National Stock Number 4320-01-485-7688, 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. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, 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
NSN4320-01-485-7688
Primary Part Number22506
Item NamePiston,pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerParker Hannifin Corporation Div Hydraulic Systems Division
StatusACTIVE
Criticality Code JustificationFEAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3110-00-100-07872X6585A INTERCHANGEABLE
Cone and Rollers,tapered Roller
Napco International Llc Dba Napco International Inc
5340-01-159-631722506 INTERCHANGEABLE
Cover,access
L3 Technologies, Inc. Div L3harris Edo Western Corporation
5985-01-213-0341225-06 INTERCHANGEABLE
Attenuator,fixed
Cinch Connectivity Solutions Inc
5325-01-617-03255717129 INTERCHANGEABLE
Ring,retaining
Am General Llc
Cross-Reference Index
Part NumberManufacturer
22506 Abex Nwl Aerospace (USA)
22506 Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations (USA)
22506 PRIMARY Parker Hannifin Corporation Div Hydraulic Systems Division (USA)
Related Parts
3110-00-100-0787INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
2X6585A
5340-01-159-6317INTERCHANGEABLE
COVER,ACCESS
22506
5985-01-213-0341INTERCHANGEABLE
ATTENUATOR,FIXED
225-06
5325-01-617-0325INTERCHANGEABLE
RING,RETAINING
5717129

Frequently Asked Questions

What is NSN 4320-01-485-7688?

NSN 4320-01-485-7688 is a Piston,pump, 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 4320-01-485-7688?

NSN 4320-01-485-7688 has 3 cross-referenced part numbers: 22506 (Abex Nwl Aerospace), 22506 (Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations), 22506 (Parker Hannifin Corporation Div Hydraulic Systems Division).

What NSN replaces 4320-01-485-7688?

There are 4 known substitutes for 4320-01-485-7688: 3110-00-100-0787, 5340-01-159-6317, 5985-01-213-0341 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 22506?

Key specifications for 22506: Criticality Code Justification: FEAT; End Item Identification: C5 ACFT, WSD: AIRCRAFT GALAXY C-5; Special Features: USED ON A PUMP, ITEM AKA: PISTON, RATE;WEAPON SYSTEM ESSENTIAL. 3 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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