PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3G5873Parts Kit,hydraulic Pump

Caterpillar Inc Div Caterpillar Defense · NSN 4320-01-101-8685 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-101-8685 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-101-8685. Primary manufacturer part number: 3G5873.
Features
  • Parts Kit,hydraulic Pump — FSC 4320
  • End Item Source: 11083
  • Document Identification: 3G5873
  • Component Quantity: 17
  • Document Source: 11083
  • End Item Name: TRUCK,LIFT,FORK
  • Document Type: MFR DRAWING
  • Component Document Origin: INDUSTRIAL
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Parts Kit,hydraulic Pump, cataloged under National Stock Number 4320-01-101-8685, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-101-8685
Primary Part Number3G5873
Item NameParts Kit,hydraulic Pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
End Item Source11083
Document Identification3G5873
Component Quantity17
Document Source11083
End Item NameTRUCK,LIFT,FORK
Document TypeMFR DRAWING
Component Document OriginINDUSTRIAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3110-00-068-9395 INTERCHANGEABLE
Bearing,roller,tapered
5930-00-272-13827810K2 INTERCHANGEABLE
Switch,toggle
Eaton Electrical Inc. Dba Cuttler Hmmer Cmrcl Cntrls Div Div Vehicle Controls Business Unit
3120-01-152-26135740122 INTERCHANGEABLE
Bearing,washer,thrust
Am General Llc
4820-01-179-255913887 INTERCHANGEABLE
Rod,piston,valve
Imi Cash Valve Inc
4720-01-354-03423010641-8-8-8-37.00 INTERCHANGEABLE
Hose Assembly,nonmetallic
Parker-Hannifin Corporation Dba Pneutronics Div Hose Products Division
Cross-Reference Index
Part NumberManufacturer
13887 Dana Corp Tyrone Hydraulics Inc Div (USA)
3G5873 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
Related Parts
3110-00-068-9395INTERCHANGEABLE
BEARING,ROLLER,TAPERED
5930-00-272-1382INTERCHANGEABLE
SWITCH,TOGGLE
7810K2
3120-01-152-2613INTERCHANGEABLE
BEARING,WASHER,THRUST
5740122
4820-01-179-2559INTERCHANGEABLE
ROD,PISTON,VALVE
13887
4720-01-354-0342INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
3010641-8-8-8-37.00

Frequently Asked Questions

What is NSN 4320-01-101-8685?

NSN 4320-01-101-8685 is a Parts Kit,hydraulic Pump, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-101-8685?

NSN 4320-01-101-8685 has 2 cross-referenced part numbers: 13887 (Dana Corp Tyrone Hydraulics Inc Div), 3G5873 (Caterpillar Inc Div Caterpillar Defense).

What NSN replaces 4320-01-101-8685?

There are 5 known substitutes for 4320-01-101-8685: 3110-00-068-9395, 5930-00-272-1382, 3120-01-152-2613 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3G5873?

Key specifications for 3G5873: End Item Source: 11083; End Item Identification: 3930-01-082-3758; Document Identification: 3G5873; Component Quantity: 17. 8 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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