PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5B4159Gear,helical

Caterpillar Inc Div Caterpillar Defense · NSN 3020-00-174-5510 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-174-5510 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-174-5510. Primary manufacturer part number: 5B4159.
Features
  • Gear,helical — FSC 3020
  • Keyway Nominal Width: 0.378 INCHES BOTH ENDS IN
  • Face Nominal Width: 1.472 INCHES IN
  • Teeth Quantity: 36
  • Tooth Direction: RIGHT
  • Hub Nominal Diameter: 3.000 INCHES SECOND END IN
  • Material: STEEL COMP 8620H OVERALL
  • Nominal Overall Length: 1.800 INCHES IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 8620h Overall construction
General Description

The Gear,helical, cataloged under National Stock Number 3020-00-174-5510, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3020-00-174-5510
Primary Part Number5B4159
Item NameGear,helical
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusCANCELLED
Keyway Nominal Width0.378 INCHES BOTH ENDS IN
Face Nominal Width1.472 INCHES IN
Teeth Quantity36
Tooth DirectionRIGHT
Hub Nominal Diameter3.000 INCHES SECOND END IN
MaterialSTEEL COMP 8620H OVERALL
Nominal Overall Length1.800 INCHES IN
Tooth FormSTANDARD
Hub Nominal Diameter3.000 INCHES FIRST END IN
Nominal Distance From Bore Center to Keyway Bottom1.309 INCHES BOTH ENDS IN
Bore Nominal Diameter2.249 INCHES BOTH ENDS IN
Pressure Angle20.0000 DEGREES
Bore StyleW/ KEYWAY BOTH ENDS
Nominal Outside Diameter6.2300 INCHES IN
Nominal Distance Between Body Face and Protruding Hub End0.328 INCHES FIRST END IN
Hub Style DesignatorPLAIN BOTH ENDS
Pitch Diameter6.0000 INCHES NOMINAL IN
Helix Angle23.4167 DEGREES
Nominal Distance Between Body Face and Recessed Hub End0.236 INCHES SECOND END IN
Style DesignatorONE PROTRUDING HUB, ONE RECESSED HUB
Material Document and Classification66,AISI/SAE 8620H FED STD SINGLE MATERIAL RESPONSE OVERALL
Teeth TypeSINGLE HELIX
Body StyleWEBBED, SOLID
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5950-00-043-0446712010-032 INTERCHANGEABLE
Coil,radio Frequency
Raytheon Company Div Rmd Strategic
3439-00-106-1653MA-881 INTERCHANGEABLE
Suction Device,desoldering
Hexacon Electric Company
2825-00-175-79097805 INTERCHANGEABLE
Arm Assembly
Northrop Grumman Systems Corporation Div Marine Systems
5962-00-365-5977156-0277-00 INTERCHANGEABLE
Microcircuit,linear
Tektronix, Inc.
5996-00-402-60717805 INTERCHANGEABLE
Amplifier,radio Frequency
Telephonics Corp/prd Instruments
5950-00-454-82757805 INTERCHANGEABLE
Transformer,pulse
Pulse Engineering Inc
5310-00-596-25747805 INTERCHANGEABLE
Nut,plain,cone Seat,hexagon
Saginaw Products Corporation Dba Cignys
5962-01-003-2215UA7805KMQB INTERCHANGEABLE
Microcircuit,linear
Fairchild Semiconductor Corp
4730-01-043-305511625496 INTERCHANGEABLE
Tee,tube
U S Army Tank Automotive Command Amsta-Im-Mm
3030-01-178-88441425-36 INTERCHANGEABLE
Belt,flat
Gc/waldom Inc
Cross-Reference Index
Part NumberManufacturer
60196R1 Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
86FT334 Oshkosh Defense Llc (USA)
86FT334 Oshkosh Corp (USA)
7805 Eaton Corp Transmission Div (USA)
5B4159 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
Related Parts
5950-00-043-0446INTERCHANGEABLE
COIL,RADIO FREQUENCY
712010-032
3439-00-106-1653INTERCHANGEABLE
SUCTION DEVICE,DESOLDERING
MA-881
2825-00-175-7909INTERCHANGEABLE
ARM ASSEMBLY
7805
5962-00-365-5977INTERCHANGEABLE
MICROCIRCUIT,LINEAR
156-0277-00
5996-00-402-6071INTERCHANGEABLE
AMPLIFIER,RADIO FREQUENCY
7805
5950-00-454-8275INTERCHANGEABLE
TRANSFORMER,PULSE
7805
5310-00-596-2574INTERCHANGEABLE
NUT,PLAIN,CONE SEAT,HEXAGON
7805
5962-01-003-2215INTERCHANGEABLE
MICROCIRCUIT,LINEAR
UA7805KMQB
4730-01-043-3055INTERCHANGEABLE
TEE,TUBE
11625496
3030-01-178-8844INTERCHANGEABLE
BELT,FLAT
1425-36
4730-01-257-8798INTERCHANGEABLE
SWING JOINT,FEMALE
6530-01-465-6867INTERCHANGEABLE
SEAL,PADLOCK
7805

Frequently Asked Questions

What is NSN 3020-00-174-5510?

NSN 3020-00-174-5510 is a Gear,helical, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3020 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3020-00-174-5510?

NSN 3020-00-174-5510 has 5 cross-referenced part numbers: 60196R1 (Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/), 86FT334 (Oshkosh Defense Llc), 86FT334 (Oshkosh Corp), 7805 (Eaton Corp Transmission Div), 5B4159 (Caterpillar Inc Div Caterpillar Defense).

What NSN replaces 3020-00-174-5510?

There are 12 known substitutes for 3020-00-174-5510: 5950-00-043-0446, 3439-00-106-1653, 2825-00-175-7909 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5B4159?

Key specifications for 5B4159: Keyway Nominal Width: 0.378 INCHES BOTH ENDS IN; Face Nominal Width: 1.472 INCHES IN; Teeth Quantity: 36; Tooth Direction: RIGHT. 23 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3020-00-174-5510 still in active supply?

NSN 3020-00-174-5510 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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