PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B193406Gear,bevel

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 3020-00-350-4237 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-350-4237 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-350-4237. Primary manufacturer part number: B193406.
Features
  • Gear,bevel — FSC 3020
  • Pitch Angle: 31.4295 DEGREES
  • Teeth Type: STRAIGHT
  • Bore Style: INVOLUTE SPLINE BOTH ENDS
  • First Step Nominal Diameter: 1.218 INCHES SECOND END IN
  • Spline Pitch Diameter: 0.6000 INCHES NOMINAL BOTH ENDS IN
  • End Nominal Diameter: 0.935 INCHES SECOND END IN
  • Hardness Rating: 60.0 ROCKWELL C NOMINAL TEETH
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Overall construction
General Description

The Gear,bevel, cataloged under National Stock Number 3020-00-350-4237, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, 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
NSN3020-00-350-4237
Primary Part NumberB193406
Item NameGear,bevel
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Pitch Angle31.4295 DEGREES
Teeth TypeSTRAIGHT
Bore StyleINVOLUTE SPLINE BOTH ENDS
First Step Nominal Diameter1.218 INCHES SECOND END IN
Spline Pitch Diameter0.6000 INCHES NOMINAL BOTH ENDS IN
End Nominal Diameter0.935 INCHES SECOND END IN
Hardness Rating60.0 ROCKWELL C NOMINAL TEETH
Spline Quantity12 BOTH ENDS
Teeth Quantity11
Pitch Diameter1.1000 INCHES NOMINAL IN
Nominal Overall Length2.141 INCHES IN
MaterialSTEEL OVERALL
Hardness Rating32.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM HUB
Bore Nominal Diameter0.664 INCHES BOTH ENDS IN
End Nominal Length1.370 INCHES SECOND END IN
Hub Style Designator1 STEP SECOND END
Style DesignatorPERIPHERAL FACE, BACK HUB PROTRUDING
Nominal Outside Diameter1.226 INCHES IN
Face Nominal Width0.274 INCHES IN
Pressure Angle20.0000 DEGREES
Body StylePLAIN, SOLID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5340-00-132-3203200919 INTERCHANGEABLE
Strap,retaining
Cummins Inc.
2915-00-448-01686395-1 INTERCHANGEABLE
Valve Assembly,fuel
Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
Cross-Reference Index
Part NumberManufacturer
63951 Curtiss-Wright Controls, Inc. Div Actuation Division (USA)
200919 Continental Built Wright Engine Parts (USA)
B193406 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Related Parts
5340-00-132-3203INTERCHANGEABLE
STRAP,RETAINING
200919
2915-00-448-0168INTERCHANGEABLE
VALVE ASSEMBLY,FUEL
6395-1

Frequently Asked Questions

What is NSN 3020-00-350-4237?

NSN 3020-00-350-4237 is a Gear,bevel, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-350-4237?

NSN 3020-00-350-4237 has 3 cross-referenced part numbers: 63951 (Curtiss-Wright Controls, Inc. Div Actuation Division), 200919 (Continental Built Wright Engine Parts), B193406 (U S Army Tank Automotive Command Amsta-Im-Mm).

What NSN replaces 3020-00-350-4237?

There are 2 known substitutes for 3020-00-350-4237: 5340-00-132-3203, 2915-00-448-0168. Verify interchangeability with system specifications before substitution.

What are the specifications of B193406?

Key specifications for B193406: Pitch Angle: 31.4295 DEGREES; Teeth Type: STRAIGHT; Bore Style: INVOLUTE SPLINE BOTH ENDS; First Step Nominal Diameter: 1.218 INCHES SECOND END IN. 22 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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