PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

104152Gear,spur

Astronautics Corporation of America · NSN 3020-00-127-8517 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-127-8517 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-127-8517. Primary manufacturer part number: 104152.
Features
  • Gear,spur — FSC 3020
  • Pitch Diameter: 0.4170 INCHES NOMINAL IN
  • Material Document and Classification: MIL-S-7720,COMP 303,COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: STEEL COMP 303 OVERALL
  • Nominal Distance Between Body Face and Protruding Hub End: 0.156 INCHES FIRST END IN
  • Bore Nominal Diameter: 0.094 INCHES BOTH ENDS IN
  • Hub Style Designator: PLAIN FIRST END
  • Mounting Hole Nominal Thread Size: 0.086 INCHES TRANSVERSELY THROUGH HUB FIRST END 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 3020-00-127-8517, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Astronautics Corporation of America. 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-127-8517
Primary Part Number104152
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerAstronautics Corporation of America
StatusACTIVE
Pitch Diameter0.4170 INCHES NOMINAL IN
Material Document and ClassificationMIL-S-7720,COMP 303,COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL COMP 303 OVERALL
Nominal Distance Between Body Face and Protruding Hub End0.156 INCHES FIRST END IN
Bore Nominal Diameter0.094 INCHES BOTH ENDS IN
Hub Style DesignatorPLAIN FIRST END
Mounting Hole Nominal Thread Size0.086 INCHES TRANSVERSELY THROUGH HUB FIRST END IN
Surface TreatmentPASSIVATE OVERALL
Mounting Hole Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH HUB FIRST END
Face Nominal Width0.125 INCHES IN
Bore StylePLAIN BOTH ENDS
Style DesignatorPROTRUDING HUB
Teeth Quantity40
Hub Nominal Diameter0.312 INCHES FIRST END IN
Pressure Angle20.0000 DEGREES
Mounting Hole Type and Quantity2 THREADED TRANSVERSELY THROUGH HUB FIRST END
Nominal Outside Diameter0.437 INCHES IN
Body StylePLAIN, SOLID
Attachment MethodMOUNTING HOLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5940-00-089-360310-415-2-01 INTERCHANGEABLE
Terminal,stud
Concord Electronics, Inc.
5998-01-006-7540 INTERCHANGEABLE
Circuit Card Assembly
Cross-Reference Index
Part NumberManufacturer
104152 PRIMARY Astronautics Corporation of America (USA)
Related Parts
5940-00-089-3603INTERCHANGEABLE
TERMINAL,STUD
10-415-2-01
5998-01-006-7540INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY

Frequently Asked Questions

What is NSN 3020-00-127-8517?

NSN 3020-00-127-8517 is a Gear,spur, manufactured by Astronautics Corporation of America, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-127-8517?

NSN 3020-00-127-8517 has 1 cross-referenced part number: 104152 (Astronautics Corporation of America).

What NSN replaces 3020-00-127-8517?

There are 2 known substitutes for 3020-00-127-8517: 5940-00-089-3603, 5998-01-006-7540. Verify interchangeability with system specifications before substitution.

What are the specifications of 104152?

Key specifications for 104152: Pitch Diameter: 0.4170 INCHES NOMINAL IN; Material Document and Classification: MIL-S-7720,COMP 303,COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Material: STEEL COMP 303 OVERALL; Nominal Distance Between Body Face and Protruding Hub End: 0.156 INCHES FIRST END 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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