PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

146C452Gear,spur

Itt Industries Inc Itt Aerospace Communications Div East · NSN 3020-00-972-3192 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-972-3192 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-972-3192. Primary manufacturer part number: 146C452.
Features
  • Gear,spur — FSC 3020
  • Body Style: WEBBED, OFFSET, SOLID
  • Hub Style Designator: PLAIN BOTH ENDS
  • Counterbore Nominal Depth: 0.312 INCHES BOTH ENDS IN
  • Style Designator: FLUSH HUB
  • Hub Nominal Diameter: 5.500 INCHES SECOND END IN
  • Pitch Diameter: 7.7320 INCHES NOMINAL IN
  • Bore Style: W/COUNTERBORE BOTH ENDS
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-972-3192, 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 Industries Inc Itt Aerospace Communications Div East. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-972-3192
Primary Part Number146C452
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerItt Industries Inc Itt Aerospace Communications Div East
StatusACTIVE
Body StyleWEBBED, OFFSET, SOLID
Hub Style DesignatorPLAIN BOTH ENDS
Counterbore Nominal Depth0.312 INCHES BOTH ENDS IN
Style DesignatorFLUSH HUB
Hub Nominal Diameter5.500 INCHES SECOND END IN
Pitch Diameter7.7320 INCHES NOMINAL IN
Bore StyleW/COUNTERBORE BOTH ENDS
Hub Nominal Diameter5.500 INCHES FIRST END IN
Teeth Quantity53
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3110-00-066-9746466041 INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
3110-00-554-3232204S INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
Cross-Reference Index
Part NumberManufacturer
146C452 Itt Industries Inc Itt Aerospace Communications Div East (USA)
146C452 L3harris Technologies, Inc. Dba Harris Corporation (USA)
146C452 Telephonics Corp (USA)
46-6041 Allard Nazarian Group, Inc. Dba Granite State Manufacturing (USA)
Related Parts
3110-00-066-9746INTERCHANGEABLE
BEARING,BALL,ANNULAR
466041
3110-00-554-3232INTERCHANGEABLE
BEARING,BALL,ANNULAR
204S

Frequently Asked Questions

What is NSN 3020-00-972-3192?

NSN 3020-00-972-3192 is a Gear,spur, manufactured by Itt Industries Inc Itt Aerospace Communications Div East, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-972-3192?

NSN 3020-00-972-3192 has 4 cross-referenced part numbers: 146C452 (Itt Industries Inc Itt Aerospace Communications Div East), 146C452 (L3harris Technologies, Inc. Dba Harris Corporation), 146C452 (Telephonics Corp), 46-6041 (Allard Nazarian Group, Inc. Dba Granite State Manufacturing).

What NSN replaces 3020-00-972-3192?

There are 2 known substitutes for 3020-00-972-3192: 3110-00-066-9746, 3110-00-554-3232. Verify interchangeability with system specifications before substitution.

What are the specifications of 146C452?

Key specifications for 146C452: Body Style: WEBBED, OFFSET, SOLID; Hub Style Designator: PLAIN BOTH ENDS; Counterbore Nominal Depth: 0.312 INCHES BOTH ENDS IN; Style Designator: FLUSH HUB. 9 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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