PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

63033AK1Pump Unit,hydraulic

Parker Hannifin Corporation Div Hydraulic Systems Division · NSN 4320-01-688-1023 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-688-1023 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-688-1023. Primary manufacturer part number: 63033AK1.
Features
  • Pump Unit,hydraulic — FSC 4320
  • 2 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 Pump Unit,hydraulic, cataloged under National Stock Number 4320-01-688-1023, 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 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NamePump Unit,hydraulic
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersParker Hannifin Corporation Div Hydraulic Systems Division (CAGE 93835)
Technical Specifications
ParameterValue
NSN4320-01-688-1023
Primary Part Number63033AK1
Item NamePump Unit,hydraulic
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerParker Hannifin Corporation Div Hydraulic Systems Division
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5925-00-642-111463033 INTERCHANGEABLE
Circuit Breaker
Raytheon Company Dba Raytheon
5950-00-824-368863033 INTERCHANGEABLE
Coil,radio Frequency
Vanguard Electronics, Llc
2930-01-232-109563346 INTERCHANGEABLE
Cooler,lubricating Oil,engine
Hdt Expeditionary Systems Inc
5330-01-235-2076630-3100-3 INTERCHANGEABLE
Packing with Retainer
Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division
4320-01-693-395363033 INTERCHANGEABLE
Plunger,hydraulic Ram
Parker Hannifin Corporation Div Hydraulic Systems Division
Cross-Reference Index
Part NumberManufacturer
63033AK1 PRIMARY Parker Hannifin Corporation Div Hydraulic Systems Division (USA)
63033 Parker Hannifin Corporation Div Hydraulic Systems Division (USA)
Related Parts
5925-00-642-1114INTERCHANGEABLE
CIRCUIT BREAKER
63033
5950-00-824-3688INTERCHANGEABLE
COIL,RADIO FREQUENCY
63033
2930-01-232-1095INTERCHANGEABLE
COOLER,LUBRICATING OIL,ENGINE
63346
5330-01-235-2076INTERCHANGEABLE
PACKING WITH RETAINER
630-3100-3
4320-01-693-3953INTERCHANGEABLE
PLUNGER,HYDRAULIC RAM
63033

Frequently Asked Questions

What is NSN 4320-01-688-1023?

NSN 4320-01-688-1023 is a Pump Unit,hydraulic, 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 4320-01-688-1023?

NSN 4320-01-688-1023 has 2 cross-referenced part numbers: 63033AK1 (Parker Hannifin Corporation Div Hydraulic Systems Division), 63033 (Parker Hannifin Corporation Div Hydraulic Systems Division).

What NSN replaces 4320-01-688-1023?

There are 5 known substitutes for 4320-01-688-1023: 5925-00-642-1114, 5950-00-824-3688, 2930-01-232-1095 and 2 more. Verify interchangeability with system specifications before substitution.

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