PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

75-1118Gear,spur

Libby Power Systems, Llc · NSN 3020-00-020-3162 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-020-3162 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-020-3162. Primary manufacturer part number: 75-1118.
Features
  • Gear,spur — FSC 3020
  • Features Provided: CASEHARDENED
  • Pitch Diameter: 1.5000 INCHES NOMINAL IN
  • Nominal Outside Diameter: 1.700 INCHES IN
  • Teeth Quantity: 12
  • Nominal Distance Between Body Face and Protruding Hub End: 3.000 INCHES FIRST END IN
  • Face Nominal Width: 1.250 INCHES IN
  • Material: STEEL 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 3020-00-020-3162, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Libby Power Systems, Llc. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-020-3162
Primary Part Number75-1118
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerLibby Power Systems, Llc
StatusACTIVE
Features ProvidedCASEHARDENED
Pitch Diameter1.5000 INCHES NOMINAL IN
Nominal Outside Diameter1.700 INCHES IN
Teeth Quantity12
Nominal Distance Between Body Face and Protruding Hub End3.000 INCHES FIRST END IN
Face Nominal Width1.250 INCHES IN
MaterialSTEEL OVERALL
Nominal Distance Between Body Face and Protruding Hub End0.625 INCHES SECOND END IN
First Step Nominal Length0.063 INCHES SECOND END IN
End Nominal Diameter0.9840 INCHES SECOND END IN
Pressure Angle20.0000 DEGREES
Hub Style DesignatorTHREADED FIRST END
End Nominal Length0.5625 INCHES SECOND END IN
First Step Nominal Diameter1.1562 INCHES SECOND END IN
Hub Style Designator1 STEP SECOND END
Tooth FormSTUB
Style DesignatorPROTRUDING HUBS
Nominal Overall Length4.875 INCHES IN
Body StylePLAIN, SOLID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5935-00-259-9794SC-C-201989 INTERCHANGEABLE
Connector,plug,electrical
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6625-00-683-5370751118 INTERCHANGEABLE
Drive,tuning
Emerson Electric Co Computer Power Div
5315-00-883-0511 INTERCHANGEABLE
Pin,straight,headless
Cross-Reference Index
Part NumberManufacturer
20009A Western Mfg Co (USA)
75-1118 PRIMARY Libby Power Systems, Llc (USA)
Related Parts
5935-00-259-9794INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
SC-C-201989
6625-00-683-5370INTERCHANGEABLE
DRIVE,TUNING
751118
5315-00-883-0511INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS

Frequently Asked Questions

What is NSN 3020-00-020-3162?

NSN 3020-00-020-3162 is a Gear,spur, manufactured by Libby Power Systems, Llc, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-020-3162?

NSN 3020-00-020-3162 has 2 cross-referenced part numbers: 20009A (Western Mfg Co), 75-1118 (Libby Power Systems, Llc).

What NSN replaces 3020-00-020-3162?

There are 3 known substitutes for 3020-00-020-3162: 5935-00-259-9794, 6625-00-683-5370, 5315-00-883-0511. Verify interchangeability with system specifications before substitution.

What are the specifications of 75-1118?

Key specifications for 75-1118: Features Provided: CASEHARDENED; Pitch Diameter: 1.5000 INCHES NOMINAL IN; Nominal Outside Diameter: 1.700 INCHES IN; Teeth Quantity: 12. 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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