PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

G173Gear,spur

Altra Industrial Motion Corp. · NSN 3020-00-585-9259 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-585-9259 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-585-9259. Primary manufacturer part number: G173.
Features
  • Gear,spur — FSC 3020
  • Bore Style: PLAIN BOTH ENDS
  • Teeth Quantity: 28
  • Pitch Diameter: 0.8750 INCHES NOMINAL IN
  • Material: COPPER ALLOY OVERALL
  • Tooth Form: STANDARD
  • Bore Nominal Diameter: 0.188 INCHES BOTH ENDS IN
  • Face Nominal Width: 0.188 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 3020-00-585-9259, 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 11 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-585-9259
Primary Part NumberG173
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerAltra Industrial Motion Corp.
StatusACTIVE
Bore StylePLAIN BOTH ENDS
Teeth Quantity28
Pitch Diameter0.8750 INCHES NOMINAL IN
MaterialCOPPER ALLOY OVERALL
Tooth FormSTANDARD
Bore Nominal Diameter0.188 INCHES BOTH ENDS IN
Face Nominal Width0.188 INCHES IN
Nominal Outside Diameter0.993 INCHES IN
Body StylePLAIN, SOLID
Pressure Angle14.5000 DEGREES
Style DesignatorHUBLESS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5310-01-075-850011142-190 INTERCHANGEABLE
Washer,flat
Ace Stamping and Machine Co Inc
5935-01-168-5752G-173 INTERCHANGEABLE
Connector,receptacle,electrical
L3 Technologies, Inc.
3439-01-411-5722 INTERCHANGEABLE
Welding Powder,metallic Overlay
3439-01-411-5725 INTERCHANGEABLE
Welding Powder,metallic Overlay
Cross-Reference Index
Part NumberManufacturer
G173 PRIMARY Altra Industrial Motion Corp. (USA)
Related Parts
5310-01-075-8500INTERCHANGEABLE
WASHER,FLAT
11142-190
5935-01-168-5752INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
G-173
3439-01-411-5722INTERCHANGEABLE
WELDING POWDER,METALLIC OVERLAY
3439-01-411-5725INTERCHANGEABLE
WELDING POWDER,METALLIC OVERLAY

Frequently Asked Questions

What is NSN 3020-00-585-9259?

NSN 3020-00-585-9259 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 3020-00-585-9259?

NSN 3020-00-585-9259 has 1 cross-referenced part number: G173 (Altra Industrial Motion Corp.).

What NSN replaces 3020-00-585-9259?

There are 4 known substitutes for 3020-00-585-9259: 5310-01-075-8500, 5935-01-168-5752, 3439-01-411-5722 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of G173?

Key specifications for G173: Bore Style: PLAIN BOTH ENDS; Teeth Quantity: 28; Pitch Diameter: 0.8750 INCHES NOMINAL IN; Material: COPPER ALLOY OVERALL. 11 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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