PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

83104Gear Cluster

Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. · NSN 3020-00-119-9771 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-119-9771 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-119-9771. Primary manufacturer part number: 83104.
Features
  • Gear Cluster — FSC 3020
  • Hub Nominal Length: 1.2660 INCHES SECOND END IN
  • Hub Style Designator: PLAIN SECOND END
  • Design Type: SPUR SECOND GEAR
  • Hub Nominal Length: 0.3440 INCHES FIRST END IN
  • Construction: SOLID
  • Material Document and Classification: AMS 6260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Bore Style: PARTIAL FIRST END
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp E9310 Overall construction
General Description

The Gear Cluster, cataloged under National Stock Number 3020-00-119-9771, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. Government technical data includes 19 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
NSN3020-00-119-9771
Primary Part Number83104
Item NameGear Cluster
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerPratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
StatusACTIVE
Hub Nominal Length1.2660 INCHES SECOND END IN
Hub Style DesignatorPLAIN SECOND END
Design TypeSPUR SECOND GEAR
Hub Nominal Length0.3440 INCHES FIRST END IN
ConstructionSOLID
Material Document and ClassificationAMS 6260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Bore StylePARTIAL FIRST END
Bore Nominal Depth3.500 INCHES FIRST END IN
MaterialSTEEL COMP E9310 OVERALL
Design TypeSPUR FIRST GEAR
Nominal Overall Length4.781 INCHES IN
Nominal Outside Diameter5.184 INCHES FIRST GEAR IN
Hardness Rating30.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
Bore Nominal Diameter0.437 INCHES FIRST END IN
Hub Nominal Length0.094 INCHES BETWEEN FIRST AND SECOND GEAR IN
Attachment MethodMOUNTING HOLE
Hub Style DesignatorTHREADED FIRST END
Nominal Outside Diameter1.350 INCHES SECOND GEAR IN
Hub Nominal Diameter0.748 INCHES SECOND END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3020-00-229-9163 INTERCHANGEABLE
Gear,bevel
5330-00-292-4005111-4559 INTERCHANGEABLE
Seal,plain Encased
Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc
5995-00-558-017183104 INTERCHANGEABLE
Cable Assembly,radio Frequency
Times Microwave Systems, Inc Dba Times Microwave Systems Inc Div Times Microwave Systems
5360-01-137-35998310-4 INTERCHANGEABLE
Spring
Columbia Machine Inc
4820-01-408-162283-104-01 INTERCHANGEABLE
Valve,ball
Conbraco Industries Inc
Cross-Reference Index
Part NumberManufacturer
83104 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
83104 PRIMARY Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
Related Parts
3020-00-229-9163INTERCHANGEABLE
GEAR,BEVEL
5330-00-292-4005INTERCHANGEABLE
SEAL,PLAIN ENCASED
111-4559
5995-00-558-0171INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
83104
5360-01-137-3599INTERCHANGEABLE
SPRING
8310-4
4820-01-408-1622INTERCHANGEABLE
VALVE,BALL
83-104-01

Frequently Asked Questions

What is NSN 3020-00-119-9771?

NSN 3020-00-119-9771 is a Gear Cluster, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-119-9771?

NSN 3020-00-119-9771 has 2 cross-referenced part numbers: 83104 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 83104 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).

What NSN replaces 3020-00-119-9771?

There are 5 known substitutes for 3020-00-119-9771: 3020-00-229-9163, 5330-00-292-4005, 5995-00-558-0171 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 83104?

Key specifications for 83104: Hub Nominal Length: 1.2660 INCHES SECOND END IN; Hub Style Designator: PLAIN SECOND END; Design Type: SPUR SECOND GEAR; Hub Nominal Length: 0.3440 INCHES FIRST END IN. 20 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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