PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

104112Gear,spur

Astronautics Corporation of America · NSN 3020-00-130-0827 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-130-0827 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-130-0827. Primary manufacturer part number: 104112.
Features
  • Gear,spur — FSC 3020
  • Teeth Quantity: 90
  • Body Style: PLAIN, SOLID
  • Material: STEEL COMP 303 OVERALL
  • Attachment Method: MOUNTING HOLE
  • Material Document and Classification: MIL-S-7720,COMP 303,COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Style Designator: PROTRUDING HUB
  • Face Nominal Width: 0.040 INCHES 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 3020-00-130-0827, 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-130-0827
Primary Part Number104112
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerAstronautics Corporation of America
StatusACTIVE
Teeth Quantity90
Body StylePLAIN, SOLID
MaterialSTEEL COMP 303 OVERALL
Attachment MethodMOUNTING HOLE
Material Document and ClassificationMIL-S-7720,COMP 303,COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Style DesignatorPROTRUDING HUB
Face Nominal Width0.040 INCHES IN
Mounting Hole Nominal Thread Size0.086 INCHES TRANSVERSELY THROUGH HUB FIRST END IN
Bore Nominal Diameter0.135 INCHES BOTH ENDS IN
Nominal Outside Diameter0.958 INCHES IN
Nominal Distance Between Body Face and Protruding Hub End0.116 INCHES FIRST END IN
Pressure Angle20.0000 DEGREES
Pitch Diameter0.9380 INCHES NOMINAL IN
Mounting Hole Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH HUB FIRST END
Bore StylePLAIN BOTH ENDS
Hub Nominal Diameter0.135 INCHES FIRST END IN
Mounting Hole Type and Quantity2 THREADED TRANSVERSELY THROUGH HUB FIRST END
Hub Style DesignatorPLAIN FIRST END
Surface TreatmentPASSIVATE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3020-00-031-0165104112 INTERCHANGEABLE
Gear,bevel
Viking Technologies, Ltd.
6210-00-050-7484 INTERCHANGEABLE
Lens,light
1650-00-566-26451041-12 INTERCHANGEABLE
Valve,dual Action,r
Hydro-Aire Aerospace Corp
4320-00-609-99077657-2 INTERCHANGEABLE
Filter Assembly,pum
Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
8145-01-721-2893104112 INTERCHANGEABLE
Shipping and Storage Container,e
Thermodyne International, Ltd
Cross-Reference Index
Part NumberManufacturer
104112 PRIMARY Astronautics Corporation of America (USA)
Related Parts
3020-00-031-0165INTERCHANGEABLE
GEAR,BEVEL
104112
6210-00-050-7484INTERCHANGEABLE
LENS,LIGHT
1650-00-566-2645INTERCHANGEABLE
VALVE,DUAL ACTION,R
1041-12
4320-00-609-9907INTERCHANGEABLE
FILTER ASSEMBLY,PUM
7657-2
8145-01-721-2893INTERCHANGEABLE
SHIPPING AND STORAGE CONTAINER,E
104112

Frequently Asked Questions

What is NSN 3020-00-130-0827?

NSN 3020-00-130-0827 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 3020-00-130-0827?

NSN 3020-00-130-0827 has 1 cross-referenced part number: 104112 (Astronautics Corporation of America).

What NSN replaces 3020-00-130-0827?

There are 5 known substitutes for 3020-00-130-0827: 3020-00-031-0165, 6210-00-050-7484, 1650-00-566-2645 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 104112?

Key specifications for 104112: Teeth Quantity: 90; Body Style: PLAIN, SOLID; Material: STEEL COMP 303 OVERALL; Attachment Method: MOUNTING HOLE. 19 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com