PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

G145Gear,spur

Altra Industrial Motion Corp. · NSN 3020-00-188-3484 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-188-3484 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-188-3484. Primary manufacturer part number: G145.
Features
  • Gear,spur — FSC 3020
  • Hub Nominal Diameter: 0.500 INCHES FIRST END IN
  • Nominal Outside Diameter: 1.417 INCHES IN
  • Teeth Quantity: 66
  • Nominal Overall Length: 0.375 INCHES IN
  • Nominal Distance Between Body Face and Protruding Hub End: 0.250 INCHES FIRST END IN
  • Hub Style Designator: PLAIN FIRST END
  • Face Nominal Width: 0.125 INCHES IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Copper Alloy Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-188-3484, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Altra Industrial Motion Corp.. Government technical data includes 15 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
NSN3020-00-188-3484
Primary Part NumberG145
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerAltra Industrial Motion Corp.
StatusACTIVE
Hub Nominal Diameter0.500 INCHES FIRST END IN
Nominal Outside Diameter1.417 INCHES IN
Teeth Quantity66
Nominal Overall Length0.375 INCHES IN
Nominal Distance Between Body Face and Protruding Hub End0.250 INCHES FIRST END IN
Hub Style DesignatorPLAIN FIRST END
Face Nominal Width0.125 INCHES IN
Tooth FormSTANDARD
Pressure Angle14.5000 DEGREES
Bore Nominal Diameter0.250 INCHES BOTH ENDS IN
Pitch Diameter1.3750 INCHES NOMINAL IN
MaterialCOPPER ALLOY OVERALL
Style DesignatorPROTRUDING HUB
Body StylePLAIN, SOLID
Bore StylePLAIN BOTH ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5220-00-338-0378M22520/3-3 INTERCHANGEABLE
Gage,crimping Tool
Sae International Dba Sae International
5220-01-504-2373M22520/3-3 INTERCHANGEABLE
Gage,profile
Daniels Manufacturing Corporation
Cross-Reference Index
Part NumberManufacturer
G145 PRIMARY Altra Industrial Motion Corp. (USA)
Related Parts
5220-00-338-0378INTERCHANGEABLE
GAGE,CRIMPING TOOL
M22520/3-3
5220-01-504-2373INTERCHANGEABLE
GAGE,PROFILE
M22520/3-3

Frequently Asked Questions

What is NSN 3020-00-188-3484?

NSN 3020-00-188-3484 is a Gear,spur, manufactured by Altra Industrial Motion Corp., classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-188-3484?

NSN 3020-00-188-3484 has 1 cross-referenced part number: G145 (Altra Industrial Motion Corp.).

What NSN replaces 3020-00-188-3484?

There are 2 known substitutes for 3020-00-188-3484: 5220-00-338-0378, 5220-01-504-2373. Verify interchangeability with system specifications before substitution.

What are the specifications of G145?

Key specifications for G145: Hub Nominal Diameter: 0.500 INCHES FIRST END IN; Nominal Outside Diameter: 1.417 INCHES IN; Teeth Quantity: 66; Nominal Overall Length: 0.375 INCHES IN. 15 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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