PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9785DGear Cluster

Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S · NSN 3020-00-345-9440 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-345-9440 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-345-9440. Primary manufacturer part number: 9785D.
Features
  • Gear Cluster — FSC 3020
  • Design Type: SPUR SECOND GEAR
  • Material Document and Classification: QQ-S-763,CLASS 416 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Design Type: SPUR FIRST GEAR
  • Hub Style Designator: PLAIN BETWEEN FIRST AND SECOND GEAR
  • Bore Nominal Diameter: 0.147 INCHES BOTH ENDS IN
  • Material: STEEL COMP 416 OVERALL
  • Construction: SOLID
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 416 Overall construction
General Description

The Gear Cluster, cataloged under National Stock Number 3020-00-345-9440, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S. Government technical data includes 15 verified specifications, 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-345-9440
Primary Part Number9785D
Item NameGear Cluster
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerItt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S
StatusACTIVE
Design TypeSPUR SECOND GEAR
Material Document and ClassificationQQ-S-763,CLASS 416 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Design TypeSPUR FIRST GEAR
Hub Style DesignatorPLAIN BETWEEN FIRST AND SECOND GEAR
Bore Nominal Diameter0.147 INCHES BOTH ENDS IN
MaterialSTEEL COMP 416 OVERALL
ConstructionSOLID
Hardness Rating38.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM TEETH
Bore StylePLAIN BOTH ENDS
Hub Nominal Diameter0.195 INCHES BETWEEN FIRST AND SECOND GEAR IN
Hub Nominal Length0.035 INCHES BETWEEN FIRST AND SECOND GEAR IN
Surface TreatmentPASSIVATE OVERALL
Nominal Overall Length0.228 INCHES IN
Nominal Outside Diameter0.264 INCHES SECOND GEAR IN
Nominal Outside Diameter0.717 INCHES FIRST GEAR IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5342-00-987-2542172376 INTERCHANGEABLE
Ring,special
Eaton Aerospace, Llc Dba Jackson South
5935-01-011-340231-2392 INTERCHANGEABLE
Connector,receptacle,electrical
Amphenol Corporation Div Amphenol Rf
5935-01-088-79689-78-50 INTERCHANGEABLE
Adapter,connector
Rfs Technologies, Inc.
3110-01-205-411297850 INTERCHANGEABLE
Bearing,ball,annular
Blako Inc. Dba Blakeslee
4730-01-391-332097850 INTERCHANGEABLE
Elbow,pipe to Hose
Brunswick Corp Dba Mercury Marine Div Mercury Marine
Cross-Reference Index
Part NumberManufacturer
9785D PRIMARY Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S (USA)
97850 Globe Motors, Inc. Dba Allient Dayton (USA)
9785D Globe Motors, Inc. Dba Allient Dayton (USA)
Related Parts
5342-00-987-2542INTERCHANGEABLE
RING,SPECIAL
172376
5935-01-011-3402INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
31-2392
5935-01-088-7968INTERCHANGEABLE
ADAPTER,CONNECTOR
9-78-50
3110-01-205-4112INTERCHANGEABLE
BEARING,BALL,ANNULAR
97850
4730-01-391-3320INTERCHANGEABLE
ELBOW,PIPE TO HOSE
97850

Frequently Asked Questions

What is NSN 3020-00-345-9440?

NSN 3020-00-345-9440 is a Gear Cluster, manufactured by Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-345-9440?

NSN 3020-00-345-9440 has 3 cross-referenced part numbers: 9785D (Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S), 97850 (Globe Motors, Inc. Dba Allient Dayton), 9785D (Globe Motors, Inc. Dba Allient Dayton).

What NSN replaces 3020-00-345-9440?

There are 5 known substitutes for 3020-00-345-9440: 5342-00-987-2542, 5935-01-011-3402, 5935-01-088-7968 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9785D?

Key specifications for 9785D: Design Type: SPUR SECOND GEAR; Material Document and Classification: QQ-S-763,CLASS 416 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Design Type: SPUR FIRST GEAR; Hub Style Designator: PLAIN BETWEEN FIRST AND SECOND GEAR. 15 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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