PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

G188Gear,spur

Altra Industrial Motion Corp. · NSN 3020-00-203-1316 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-203-1316 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-203-1316. Primary manufacturer part number: G188.
Features
  • Gear,spur — FSC 3020
  • Style Designator: PROTRUDING HUB, RECESSED BODY
  • Bore Nominal Diameter: 0.313 INCHES BOTH ENDS IN
  • Hub Style Designator: PLAIN FIRST END
  • Pitch Diameter: 5.0000 INCHES NOMINAL IN
  • Body Style: SPOKED
  • Face Nominal Width: 0.188 INCHES IN
  • Tooth Form: STANDARD
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 3020-00-203-1316, 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 18 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-203-1316
Primary Part NumberG188
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerAltra Industrial Motion Corp.
StatusACTIVE
Style DesignatorPROTRUDING HUB, RECESSED BODY
Bore Nominal Diameter0.313 INCHES BOTH ENDS IN
Hub Style DesignatorPLAIN FIRST END
Pitch Diameter5.0000 INCHES NOMINAL IN
Body StyleSPOKED
Face Nominal Width0.188 INCHES IN
Tooth FormSTANDARD
Teeth Quantity160
Bore StylePLAIN BOTH ENDS
Mounting Hole Type and Quantity2 THREADED TRANSVERSELY THROUGH HUB FIRST END
Nominal Distance Between Body Face and Protruding Hub End0.313 INCHES FIRST END IN
Mounting Hole Nominal Thread Size0.190 INCHES TRANSVERSELY THROUGH HUB FIRST END IN
Mounting Hole Thread Series DesignatorUNF TRANSVERSELY THROUGH HUB FIRST END
MaterialCOPPER ALLOY OVERALL
Hub Nominal Diameter0.750 INCHES FIRST END IN
Nominal Outside Diameter5.400 INCHES IN
Pressure Angle14.5000 DEGREES
Attachment MethodMOUNTING HOLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5961-00-829-1069 INTERCHANGEABLE
Transistor
5220-01-038-0840 INTERCHANGEABLE
Gage,crimping Tool
5310-01-049-1858 INTERCHANGEABLE
Washer,flat
Cross-Reference Index
Part NumberManufacturer
G188 PRIMARY Altra Industrial Motion Corp. (USA)
Related Parts
5961-00-829-1069INTERCHANGEABLE
TRANSISTOR
5220-01-038-0840INTERCHANGEABLE
GAGE,CRIMPING TOOL
5310-01-049-1858INTERCHANGEABLE
WASHER,FLAT

Frequently Asked Questions

What is NSN 3020-00-203-1316?

NSN 3020-00-203-1316 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 3020-00-203-1316?

NSN 3020-00-203-1316 has 1 cross-referenced part number: G188 (Altra Industrial Motion Corp.).

What NSN replaces 3020-00-203-1316?

There are 3 known substitutes for 3020-00-203-1316: 5961-00-829-1069, 5220-01-038-0840, 5310-01-049-1858. Verify interchangeability with system specifications before substitution.

What are the specifications of G188?

Key specifications for G188: Style Designator: PROTRUDING HUB, RECESSED BODY; Bore Nominal Diameter: 0.313 INCHES BOTH ENDS IN; Hub Style Designator: PLAIN FIRST END; Pitch Diameter: 5.0000 INCHES NOMINAL IN. 18 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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