PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

68C19465Gear,spur

Textron Lycoming Inc Williamsport Plant · NSN 3020-00-640-2695 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-640-2695 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-640-2695. Primary manufacturer part number: 68C19465.
Features
  • Gear,spur — FSC 3020
  • Body Recess Nominal Depth: 0.490 INCHES SECOND END IN
  • End Nominal Diameter: 1.030 INCHES FIRST END IN
  • Style Designator: PROTRUDING HUB, RECESSED BODY
  • Face Nominal Width: 0.400 INCHES IN
  • End Nominal Length: 0.560 INCHES FIRST END IN
  • Hub Style Designator: 1 STEP FIRST END
  • Material Document and Classification: ASTM 245-52 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-640-2695, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Textron Lycoming Inc Williamsport Plant. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-640-2695
Primary Part Number68C19465
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerTextron Lycoming Inc Williamsport Plant
StatusACTIVE
Body Recess Nominal Depth0.490 INCHES SECOND END IN
End Nominal Diameter1.030 INCHES FIRST END IN
Style DesignatorPROTRUDING HUB, RECESSED BODY
Face Nominal Width0.400 INCHES IN
End Nominal Length0.560 INCHES FIRST END IN
Hub Style Designator1 STEP FIRST END
Material Document and ClassificationASTM 245-52 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
First Step Nominal Length0.185 INCHES FIRST END IN
Hardness Rating77.0 ROCKWELL SUPERFICIAL 30-N NOMINAL TEETH
Nominal Distance From Bore Center to Keyway Bottom0.366 INCHES BOTH ENDS IN
Pressure Angle20.0000 DEGREES
Body StyleWEBBED, OFFSET, SOLID
Pitch Diameter1.6250 INCHES NOMINAL IN
Taper Major Nominal Diameter0.590 INCHES BOTH ENDS IN
MaterialSTEEL OVERALL
Bore StyleTAPERED W/KEYWAY SECOND END
Hardness Rating20.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM HUB
Teeth Quantity13
First Step Nominal Diameter1.250 INCHES FIRST END IN
Tooth FormSTUB
Nominal Distance Between Body Face and Protruding Hub End0.745 INCHES FIRST END IN
Keyway Nominal Width0.126 INCHES BOTH ENDS IN
Nominal Outside Diameter1.822 INCHES IN
Nominal Overall Length1.145 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
6145-00-481-1953 INTERCHANGEABLE
Cable,special Purpose,electrical
2540-00-488-93589-326-100150 INTERCHANGEABLE
Control Assembly,directional Sig
Grove U.s. Llc Dba Grove Us Llc
4820-01-092-889373689-1 INTERCHANGEABLE
Retainer Assembly,valve
Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
5998-01-229-7686 INTERCHANGEABLE
Circuit Card Assembly
5330-01-253-2966 INTERCHANGEABLE
Retainer,packing
4820-01-274-8418NL1188-1 INTERCHANGEABLE
Seat,valve
Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions
5985-01-500-1776ALDCBS1X2-N INTERCHANGEABLE
Divider,power,radio Frequency
Gps Networking Inc Dba Gps Networking Inc
Cross-Reference Index
Part NumberManufacturer
68C19465 PRIMARY Textron Lycoming Inc Williamsport Plant (USA)
61163 Textron Lycoming Inc Williamsport Plant (USA)
73683 PRIMARY Textron Lycoming Inc Williamsport Plant (USA)
Related Parts
6145-00-481-1953INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
2540-00-488-9358INTERCHANGEABLE
CONTROL ASSEMBLY,DIRECTIONAL SIG
9-326-100150
4820-01-092-8893INTERCHANGEABLE
RETAINER ASSEMBLY,VALVE
73689-1
5998-01-229-7686INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5330-01-253-2966INTERCHANGEABLE
RETAINER,PACKING
4820-01-274-8418INTERCHANGEABLE
SEAT,VALVE
NL1188-1
5985-01-500-1776INTERCHANGEABLE
DIVIDER,POWER,RADIO FREQUENCY
ALDCBS1X2-N

Frequently Asked Questions

What is NSN 3020-00-640-2695?

NSN 3020-00-640-2695 is a Gear,spur, manufactured by Textron Lycoming Inc Williamsport Plant, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-640-2695?

NSN 3020-00-640-2695 has 3 cross-referenced part numbers: 68C19465 (Textron Lycoming Inc Williamsport Plant), 61163 (Textron Lycoming Inc Williamsport Plant), 73683 (Textron Lycoming Inc Williamsport Plant).

What NSN replaces 3020-00-640-2695?

There are 7 known substitutes for 3020-00-640-2695: 6145-00-481-1953, 2540-00-488-9358, 4820-01-092-8893 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 68C19465?

Key specifications for 68C19465: Body Recess Nominal Depth: 0.490 INCHES SECOND END IN; End Nominal Diameter: 1.030 INCHES FIRST END IN; Style Designator: PROTRUDING HUB, RECESSED BODY; Face Nominal Width: 0.400 INCHES IN. 24 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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