PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

102660Gear,spur

L3harris Technologies, Inc Div Space & Airborne Systems · NSN 3020-00-088-0064 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-088-0064 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-088-0064. Primary manufacturer part number: 102660.
Features
  • Gear,spur — FSC 3020
  • Mounting Hole Thread Quantity Per Inch: 56 TRANSVERSELY THROUGH HUB FIRST END
  • First Groove Nominal Width: 0.0745 INCHES FIRST END IN
  • Attachment Method: MOUNTING HOLE
  • Bore Style: PLAIN BOTH ENDS
  • Hub Nominal Diameter: 0.500 INCHES FIRST END IN
  • Mounting Hole Type and Quantity: 2 THREADED TRANSVERSELY THROUGH HUB FIRST END
  • Pitch Diameter: 1.0625 INCHES NOMINAL IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-088-0064, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN3020-00-088-0064
Primary Part Number102660
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerL3harris Technologies, Inc Div Space & Airborne Systems
StatusACTIVE
Mounting Hole Thread Quantity Per Inch56 TRANSVERSELY THROUGH HUB FIRST END
First Groove Nominal Width0.0745 INCHES FIRST END IN
Attachment MethodMOUNTING HOLE
Bore StylePLAIN BOTH ENDS
Hub Nominal Diameter0.500 INCHES FIRST END IN
Mounting Hole Type and Quantity2 THREADED TRANSVERSELY THROUGH HUB FIRST END
Pitch Diameter1.0625 INCHES NOMINAL IN
Nominal Outside Diameter1.104 INCHES IN
MaterialSTEEL COMP 303 OVERALL
Teeth Quantity51
Nominal Distance Between Body Face and Protruding Hub End0.4370 INCHES FIRST END IN
Pressure Angle20.0000 DEGREES
Hub Style Designator1 GROOVE FIRST END
Style DesignatorPROTRUDING HUB
Precision ClassificationQUALITY NUMBER 10
First Groove Nominal Diameter0.5000 INCHES FIRST END IN
Mounting Hole Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH HUB FIRST END
Surface TreatmentPASSIVATE OVERALL
End Nominal Diameter0.500 INCHES FIRST END IN
Mounting Hole Nominal Thread Size0.0860 INCHES TRANSVERSELY THROUGH HUB FIRST END IN
Tooth FormSTANDARD
Bore Nominal Diameter0.250 INCHES BOTH ENDS IN
Nominal Distance From End to First Groove0.2415 INCHES FIRST END IN
Material Document and ClassificationQQ-S-763,CLASS303 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Face Nominal Width0.125 INCHES IN
Body StylePLAIN, SOLID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-044-9492 INTERCHANGEABLE
Reactor
3110-00-100-36411H0315 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.)
3110-00-100-36512K5065 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Caterpillar Inc Div Caterpillar Defense
6610-00-128-7747102660 INTERCHANGEABLE
Clamp,shaft,indicat
Astronautics Corporation of America
5995-01-246-3282G258024-14 INTERCHANGEABLE
Cable Assembly,radio Frequency
Raytheon Company Dba Raytheon Co
5995-01-247-0314G258024-7 INTERCHANGEABLE
Cable Assembly,radio Frequency
Raytheon Company Div Corp
5995-01-247-0332G258024-29 INTERCHANGEABLE
Cable Assembly,radio Frequency
Raytheon Company Dba Raytheon Co
5995-01-247-0334G258024-32 INTERCHANGEABLE
Cable Assembly,radio Frequency
Raytheon Company Dba Raytheon Co
6210-01-436-9181 INTERCHANGEABLE
Light,indicator
2920-01-437-4754 INTERCHANGEABLE
Throttle Assy,contr
Cross-Reference Index
Part NumberManufacturer
102660 PRIMARY L3harris Technologies, Inc Div Space & Airborne Systems (USA)
Related Parts
5950-00-044-9492INTERCHANGEABLE
REACTOR
3110-00-100-3641INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
1H0315
3110-00-100-3651INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
2K5065
6610-00-128-7747INTERCHANGEABLE
CLAMP,SHAFT,INDICAT
102660
5995-01-246-3282INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
G258024-14
5995-01-247-0314INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
G258024-7
5995-01-247-0332INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
G258024-29
5995-01-247-0334INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
G258024-32
6210-01-436-9181INTERCHANGEABLE
LIGHT,INDICATOR
2920-01-437-4754INTERCHANGEABLE
THROTTLE ASSY,CONTR
2920-01-437-4758INTERCHANGEABLE
FRICTION ASSY,CONTR
10-2690
3040-01-437-5978INTERCHANGEABLE
DETENT PLATE

Frequently Asked Questions

What is NSN 3020-00-088-0064?

NSN 3020-00-088-0064 is a Gear,spur, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-088-0064?

NSN 3020-00-088-0064 has 1 cross-referenced part number: 102660 (L3harris Technologies, Inc Div Space & Airborne Systems).

What NSN replaces 3020-00-088-0064?

There are 12 known substitutes for 3020-00-088-0064: 5950-00-044-9492, 3110-00-100-3641, 3110-00-100-3651 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 102660?

Key specifications for 102660: Mounting Hole Thread Quantity Per Inch: 56 TRANSVERSELY THROUGH HUB FIRST END; First Groove Nominal Width: 0.0745 INCHES FIRST END IN; Attachment Method: MOUNTING HOLE; Bore Style: PLAIN BOTH ENDS. 26 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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