PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18510Gear,bevel

Komatsu America Corporation · NSN 3020-00-430-9493 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-430-9493 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-430-9493. Primary manufacturer part number: 18510.
Features
  • Gear,bevel — FSC 3020
  • Pitch Diameter: 3.3330 INCHES NOMINAL IN
  • Mounting Hole Type and Quantity: 1 THREADED TRANSVERSELY THROUGH HUB FIRST END
  • Mounting Hole Thread Quantity Per Inch: 13 TRANSVERSELY THROUGH HUB FIRST END
  • Bore Style: PLAIN BOTH ENDS
  • Nominal Distance Between Body Face and Protruding Hub End: 0.750 INCHES SECOND END IN
  • Body Recess Nominal Depth: 0.2600 INCHES FIRST END IN
  • Face Nominal Width: 1.250 INCHES IN
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 3020-00-430-9493, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Komatsu America Corporation. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-430-9493
Primary Part Number18510
Item NameGear,bevel
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerKomatsu America Corporation
StatusACTIVE
Pitch Diameter3.3330 INCHES NOMINAL IN
Mounting Hole Type and Quantity1 THREADED TRANSVERSELY THROUGH HUB FIRST END
Mounting Hole Thread Quantity Per Inch13 TRANSVERSELY THROUGH HUB FIRST END
Bore StylePLAIN BOTH ENDS
Nominal Distance Between Body Face and Protruding Hub End0.750 INCHES SECOND END IN
Body Recess Nominal Depth0.2600 INCHES FIRST END IN
Face Nominal Width1.250 INCHES IN
Body StylePLAIN, SOLID
Mounting Hole Nominal Thread Size0.500 INCHES TRANSVERSELY THROUGH HUB FIRST END IN
Attachment MethodMOUNTING HOLE
Style DesignatorPERIPHERAL FACE, BACK HUB PROTRUDING
Bore Nominal Diameter1.251 INCHES BOTH ENDS IN
Pressure Angle20.0000 DEGREES
MaterialSTEEL OVERALL
Pitch Angle27.7500 DEGREES
Teeth Quantity10
Hub Style DesignatorPINNED SECOND END
Hub Nominal Diameter2.375 INCHES SECOND END IN
Teeth TypeSTRAIGHT
Nominal Overall Length2.197 INCHES IN
Nominal Outside Diameter3.9230 INCHES IN
Mounting Hole Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH HUB FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5120-00-021-2004000-S2A/120121 INTERCHANGEABLE
Bit,screwdriver
Mountz, Inc.
4820-00-036-1754005-500-0012 INTERCHANGEABLE
Disk,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4730-00-096-6028A-18510 INTERCHANGEABLE
Plug,pipe
Jenny Products, Inc
6505-00-174-7141 INTERCHANGEABLE
Water for Injection,sterile
2530-00-353-0435222821 INTERCHANGEABLE
Adjuster,slack,brake
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
1040-00-936-929454A50E12 INTERCHANGEABLE
Valve Assy,tank
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
2530-01-614-123818510 INTERCHANGEABLE
Master Cylinder Power Unit
Silver Eagle Manufacturing Co
Cross-Reference Index
Part NumberManufacturer
R18510 Komatsu America Corporation (USA)
18510 PRIMARY Komatsu America Corporation (USA)
Related Parts
5120-00-021-2004INTERCHANGEABLE
BIT,SCREWDRIVER
000-S2A/120121
4820-00-036-1754INTERCHANGEABLE
DISK,VALVE
005-500-0012
4730-00-096-6028INTERCHANGEABLE
PLUG,PIPE
A-18510
6505-00-174-7141INTERCHANGEABLE
WATER FOR INJECTION,STERILE
2530-00-353-0435INTERCHANGEABLE
ADJUSTER,SLACK,BRAKE
222821
1040-00-936-9294INTERCHANGEABLE
VALVE ASSY,TANK
54A50E12
2530-01-614-1238INTERCHANGEABLE
MASTER CYLINDER POWER UNIT
18510

Frequently Asked Questions

What is NSN 3020-00-430-9493?

NSN 3020-00-430-9493 is a Gear,bevel, manufactured by Komatsu America Corporation, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-430-9493?

NSN 3020-00-430-9493 has 2 cross-referenced part numbers: R18510 (Komatsu America Corporation), 18510 (Komatsu America Corporation).

What NSN replaces 3020-00-430-9493?

There are 7 known substitutes for 3020-00-430-9493: 5120-00-021-2004, 4820-00-036-1754, 4730-00-096-6028 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18510?

Key specifications for 18510: Pitch Diameter: 3.3330 INCHES NOMINAL IN; Mounting Hole Type and Quantity: 1 THREADED TRANSVERSELY THROUGH HUB FIRST END; Mounting Hole Thread Quantity Per Inch: 13 TRANSVERSELY THROUGH HUB FIRST END; Bore Style: PLAIN BOTH ENDS. 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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