PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

003329Piston,hydraulic Motor-Pump

Jacobs Mfg Co the · NSN 4320-01-157-3817 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-157-3817 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-157-3817. Primary manufacturer part number: 003329.
Features
  • Piston,hydraulic Motor-Pump — FSC 4320
  • 6 verified cross-references
  • Primary manufacturer: Jacobs Mfg Co the
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Piston,hydraulic Motor-Pump, cataloged under National Stock Number 4320-01-157-3817, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Jacobs Mfg Co the. This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NamePiston,hydraulic Motor-Pump
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersJacobs Mfg Co the (CAGE 75078); Oshkosh Defense Llc (CAGE 75Q65); Oshkosh Corp (CAGE 45152); General Dynamics Land Systems Canadacorp (CAGE 56161)
Technical Specifications
ParameterValue
NSN4320-01-157-3817
Primary Part Number003329
Item NamePiston,hydraulic Motor-Pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerJacobs Mfg Co the
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4710-00-086-9921012516 INTERCHANGEABLE
Tube Assembly,metal
L3 Technologies, Inc. Div L3 Keo
3110-00-100-03713329 INTERCHANGEABLE
Cup,tapered Roller Bearing
Dana Off Highway Products, Llc
4730-00-595-22283329 INTERCHANGEABLE
Cup,oil,lubricating
Telemechanics Inc
5315-00-598-58153329 INTERCHANGEABLE
Pin,drive,power Actuated
Illinois Tool Works Inc
5910-00-606-026221-613 INTERCHANGEABLE
Capacitor,variable,ceramic Diele
Neurotech Corp Control Electronics Div
5360-00-811-16123329 INTERCHANGEABLE
Spring,helical,compression
Husco International Inc
5935-01-015-57570900-9723 INTERCHANGEABLE
Adapter,connector
Corning Optical Communications Rf Llc
5999-01-074-16483-329 INTERCHANGEABLE
Mounting Pad,electrical-Electron
Raytheon Company Dba Raytheon Co
6515-01-099-85163329 INTERCHANGEABLE
Bag,ostomy
Hollister Inc
5998-01-304-3346GP826BW6 INTERCHANGEABLE
Printed Wiring Board
Northrop Grumman Systems Corporation
Cross-Reference Index
Part NumberManufacturer
003329 PRIMARY Jacobs Mfg Co the (USA)
012516 Jacobs Mfg Co the (USA)
5JC9 Oshkosh Defense Llc (USA)
3329 Jacobs Mfg Co the (USA)
5JC9 Oshkosh Corp (USA)
10513120 General Dynamics Land Systems Canadacorp (CAN)
Related Parts
4710-00-086-9921INTERCHANGEABLE
TUBE ASSEMBLY,METAL
012516
3110-00-100-0371INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
3329
4730-00-595-2228INTERCHANGEABLE
CUP,OIL,LUBRICATING
3329
5315-00-598-5815INTERCHANGEABLE
PIN,DRIVE,POWER ACTUATED
3329
5910-00-606-0262INTERCHANGEABLE
CAPACITOR,VARIABLE,CERAMIC DIELE
21-613
5360-00-811-1612INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
3329
5935-01-015-5757INTERCHANGEABLE
ADAPTER,CONNECTOR
0900-9723
5999-01-074-1648INTERCHANGEABLE
MOUNTING PAD,ELECTRICAL-ELECTRON
3-329
6515-01-099-8516INTERCHANGEABLE
BAG,OSTOMY
3329
5998-01-304-3346INTERCHANGEABLE
PRINTED WIRING BOARD
GP826BW6
5340-01-381-4649INTERCHANGEABLE
CLAMP,LOOP
3329
3040-01-467-8801INTERCHANGEABLE
PARTS KIT,LINEAR ACTUATING CYLIN
03329

Frequently Asked Questions

What is NSN 4320-01-157-3817?

NSN 4320-01-157-3817 is a Piston,hydraulic Motor-Pump, manufactured by Jacobs Mfg Co the, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-157-3817?

NSN 4320-01-157-3817 has 6 cross-referenced part numbers: 003329 (Jacobs Mfg Co the), 012516 (Jacobs Mfg Co the), 5JC9 (Oshkosh Defense Llc), 3329 (Jacobs Mfg Co the), 5JC9 (Oshkosh Corp) and 1 more.

What NSN replaces 4320-01-157-3817?

There are 12 known substitutes for 4320-01-157-3817: 4710-00-086-9921, 3110-00-100-0371, 4730-00-595-2228 and 9 more. Verify interchangeability with system specifications before substitution.

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