PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5663-8Gear and Ring Assembly

Eaton Corporation Div Eaton Fluid Power · NSN 3020-00-021-1834 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-021-1834 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-021-1834. Primary manufacturer part number: 5663-8.
Features
  • Gear and Ring Assembly — FSC 3020
  • General Characteristics Item Description: CONSISTS OF GEAR W/6 TEETH,AND 7 INTERNAL LOBES WITHIN THE RING,3.000 IN. DIA,2.000 IN. W RING,SEVEN 0.320 IN. DIA HOLES ON 2.40 IN. DIA BC,12 TOOTH INVOLUTE SPLINE BORE,12/24 DP,30 DEG PRESSURE ANGLE IN
  • 3 verified cross-references
  • Primary manufacturer: Eaton Corporation Div Eaton Fluid Power
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear and Ring Assembly, cataloged under National Stock Number 3020-00-021-1834, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Eaton Corporation Div Eaton Fluid Power. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-021-1834
Primary Part Number5663-8
Item NameGear and Ring Assembly
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerEaton Corporation Div Eaton Fluid Power
StatusACTIVE
General Characteristics Item DescriptionCONSISTS OF GEAR W/6 TEETH,AND 7 INTERNAL LOBES WITHIN THE RING,3.000 IN. DIA,2.000 IN. W RING,SEVEN 0.320 IN. DIA HOLES ON 2.40 IN. DIA BC,12 TOOTH INVOLUTE SPLINE BORE,12/24 DP,30 DEG PRESSURE ANGLE IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
1650-00-101-77905663 INTERCHANGEABLE
Sleeve,unloading
Eaton Aerospace, Llc Dba Jackson South
2530-00-124-57335663-7 INTERCHANGEABLE
Gear Set,internal and Star
Eaton Corporation Div Eaton Fluid Power
4320-00-189-54355663-4 INTERCHANGEABLE
Gear Rotor Set,rotary Pump
Eaton Corporation Div Eaton Fluid Power
5960-00-193-5132 INTERCHANGEABLE
Electron Tube
3020-00-274-4519205663 INTERCHANGEABLE
Gear,spur
Dana Off Highway Products, Llc
5930-00-328-4175 INTERCHANGEABLE
Switch Assy
2805-00-353-89455663 INTERCHANGEABLE
Connecting Rod,piston
Mitsubishi Caterpillar Forklift America, Inc
2805-00-555-4367113-0088 INTERCHANGEABLE
Ring Set,piston
Cummins Power Generation Inc.
5960-00-617-8930 INTERCHANGEABLE
Electron Tube
5340-00-970-2740566-3 INTERCHANGEABLE
Plug
Air Logistics Corporation Dba Air Logistics Corp
Cross-Reference Index
Part NumberManufacturer
D51215 Cnh Industrial America Llc Dba Cnh America (USA)
5663 Eaton Corporation Div Eaton Fluid Power (USA)
5663-8 PRIMARY Eaton Corporation Div Eaton Fluid Power (USA)
Related Parts
1650-00-101-7790INTERCHANGEABLE
SLEEVE,UNLOADING
5663
2530-00-124-5733INTERCHANGEABLE
GEAR SET,INTERNAL AND STAR
5663-7
4320-00-189-5435INTERCHANGEABLE
GEAR ROTOR SET,ROTARY PUMP
5663-4
5960-00-193-5132INTERCHANGEABLE
ELECTRON TUBE
3020-00-274-4519INTERCHANGEABLE
GEAR,SPUR
205663
5930-00-328-4175INTERCHANGEABLE
SWITCH ASSY
2805-00-353-8945INTERCHANGEABLE
CONNECTING ROD,PISTON
5663
2805-00-555-4367INTERCHANGEABLE
RING SET,PISTON
113-0088
5960-00-617-8930INTERCHANGEABLE
ELECTRON TUBE
5340-00-970-2740INTERCHANGEABLE
PLUG
566-3
6685-01-136-2137INTERCHANGEABLE
PSYCHROMETER
566-3
3120-01-288-1228INTERCHANGEABLE
BEARING,WASHER,THRUST

Frequently Asked Questions

What is NSN 3020-00-021-1834?

NSN 3020-00-021-1834 is a Gear and Ring Assembly, manufactured by Eaton Corporation Div Eaton Fluid Power, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-021-1834?

NSN 3020-00-021-1834 has 3 cross-referenced part numbers: D51215 (Cnh Industrial America Llc Dba Cnh America), 5663 (Eaton Corporation Div Eaton Fluid Power), 5663-8 (Eaton Corporation Div Eaton Fluid Power).

What NSN replaces 3020-00-021-1834?

There are 12 known substitutes for 3020-00-021-1834: 1650-00-101-7790, 2530-00-124-5733, 4320-00-189-5435 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5663-8?

Key specifications for 5663-8: General Characteristics Item Description: CONSISTS OF GEAR W/6 TEETH,AND 7 INTERNAL LOBES WITHIN THE RING,3.000 IN. DIA,2.000 IN. W RING,SEVEN 0.320 IN. DIA HOLES ON 2.40 IN. DIA BC,12 TOOTH INVOLUTE SPLINE BORE,12/24 DP,30 DEG PRESSURE ANGLE IN. 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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