PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

172039Gear,spur

Curtiss-Wright Controls, Inc. Div Actuation Division · NSN 3020-00-333-4347 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-333-4347 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-333-4347. Primary manufacturer part number: 172039.
Features
  • Gear,spur — FSC 3020
  • Teeth Quantity: 53
  • Body Style: PLAIN, SOLID
  • Attachment Method: MOUNTING HOLE
  • Pressure Angle: 20.0000 DEGREES
  • Hub Nominal Diameter: 5.000 INCHES SECOND END IN
  • Nominal Overall Length: 0.880 INCHES IN
  • Tooth Form: STANDARD
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp E9310 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-333-4347, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Curtiss-Wright Controls, Inc. Div Actuation Division. 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-333-4347
Primary Part Number172039
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerCurtiss-Wright Controls, Inc. Div Actuation Division
StatusACTIVE
Teeth Quantity53
Body StylePLAIN, SOLID
Attachment MethodMOUNTING HOLE
Pressure Angle20.0000 DEGREES
Hub Nominal Diameter5.000 INCHES SECOND END IN
Nominal Overall Length0.880 INCHES IN
Tooth FormSTANDARD
Face Nominal Width0.450 INCHES IN
Bolt Hole Circle Nominal Diameter4.195 INCHES AXIALLY THROUGH BODY FIRST END IN
Bore StyleW/COUNTERBORE BOTH ENDS
MaterialSTEEL COMP E9310 OVERALL
Mounting Hole Type and Quantity6 PLAIN AXIALLY THROUGH BODY FIRST END
Material Document and ClassificationAMS 6260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Style DesignatorPROTRUDING HUBS
Pitch Diameter5.4342 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4820-01-522-038012105 INTERCHANGEABLE
Cock,drain
Haldex Brake Products Corporation
Cross-Reference Index
Part NumberManufacturer
172039 PRIMARY Curtiss-Wright Controls, Inc. Div Actuation Division (USA)
Related Parts
4820-01-522-0380INTERCHANGEABLE
COCK,DRAIN
12105

Frequently Asked Questions

What is NSN 3020-00-333-4347?

NSN 3020-00-333-4347 is a Gear,spur, manufactured by Curtiss-Wright Controls, Inc. Div Actuation Division, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-333-4347?

NSN 3020-00-333-4347 has 1 cross-referenced part number: 172039 (Curtiss-Wright Controls, Inc. Div Actuation Division).

What NSN replaces 3020-00-333-4347?

There is 1 known substitute for 3020-00-333-4347: 4820-01-522-0380. Verify interchangeability with system specifications before substitution.

What are the specifications of 172039?

Key specifications for 172039: Teeth Quantity: 53; Body Style: PLAIN, SOLID; Attachment Method: MOUNTING HOLE; Pressure Angle: 20.0000 DEGREES. 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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