PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

880129Gear,spur

Aerocontrolex Group, Inc. Div Talley Actuators · NSN 3020-00-686-1867 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-686-1867 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-686-1867. Primary manufacturer part number: 880129.
Features
  • Gear,spur — FSC 3020
  • Nominal Outside Diameter: 1.352 INCHES IN
  • Nominal Distance Between Body Face and Protruding Hub End: 0.075 INCHES FIRST END IN
  • Teeth Quantity: 42
  • Spline Pitch Diameter: 0.3430 INCHES NOMINAL BOTH ENDS IN
  • Bore Nominal Diameter: 0.375 INCHES BOTH ENDS IN
  • Tooth Form: STANDARD
  • Pitch Diameter: 0.3120 INCHES NOMINAL IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 4620 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-686-1867, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Aerocontrolex Group, Inc. Div Talley Actuators. Government technical data includes 19 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-686-1867
Primary Part Number880129
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerAerocontrolex Group, Inc. Div Talley Actuators
StatusACTIVE
Nominal Outside Diameter1.352 INCHES IN
Nominal Distance Between Body Face and Protruding Hub End0.075 INCHES FIRST END IN
Teeth Quantity42
Spline Pitch Diameter0.3430 INCHES NOMINAL BOTH ENDS IN
Bore Nominal Diameter0.375 INCHES BOTH ENDS IN
Tooth FormSTANDARD
Pitch Diameter0.3120 INCHES NOMINAL IN
Hub Style DesignatorPLAIN FIRST END
Hub Nominal Diameter0.500 INCHES FIRST END IN
Spline Quantity11 BOTH ENDS
Face Nominal Width0.125 INCHES IN
Material Document and ClassificationMIL-S-7493,COMP 4620 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Hardness Rating27.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL
MaterialSTEEL COMP 4620 OVERALL
Body StyleWEBBED, OFFSET, SOLID
Pressure Angle20.0000 DEGREES
Bore StyleINVOLUTE SPLINE BOTH ENDS
Style DesignatorPROTRUDING HUB, RECESSED BODY
Surface TreatmentPHOSPHATE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5325-00-804-5043 INTERCHANGEABLE
Ring,retaining
Cross-Reference Index
Part NumberManufacturer
880129 PRIMARY Aerocontrolex Group, Inc. Div Talley Actuators (USA)
Related Parts
5325-00-804-5043INTERCHANGEABLE
RING,RETAINING

Frequently Asked Questions

What is NSN 3020-00-686-1867?

NSN 3020-00-686-1867 is a Gear,spur, manufactured by Aerocontrolex Group, Inc. Div Talley Actuators, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-686-1867?

NSN 3020-00-686-1867 has 1 cross-referenced part number: 880129 (Aerocontrolex Group, Inc. Div Talley Actuators).

What NSN replaces 3020-00-686-1867?

There is 1 known substitute for 3020-00-686-1867: 5325-00-804-5043. Verify interchangeability with system specifications before substitution.

What are the specifications of 880129?

Key specifications for 880129: Nominal Outside Diameter: 1.352 INCHES IN; Nominal Distance Between Body Face and Protruding Hub End: 0.075 INCHES FIRST END IN; Teeth Quantity: 42; Spline Pitch Diameter: 0.3430 INCHES NOMINAL BOTH ENDS IN. 19 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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