PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

510728Gear,helical

Aimtron Systems, Llc · NSN 3020-01-365-7105 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-365-7105 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-365-7105. Primary manufacturer part number: 510728.
Features
  • Gear,helical — FSC 3020
  • Body Style: WEBBED, SOLID
  • Pitch Diameter: 3.1482 INCHES NOMINAL IN
  • Nominal Distance From Bore Center to Keyway Bottom: 0.661 INCHES BOTH ENDS IN
  • Keyway Nominal Width: 0.125 INCHES BOTH ENDS IN
  • Bore Style: W/ KEYWAY BOTH ENDS
  • Teeth Quantity: 71
  • Style Designator: HUBLESS
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 4340 Overall construction
General Description

The Gear,helical, cataloged under National Stock Number 3020-01-365-7105, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Aimtron Systems, Llc. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, 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
NSN3020-01-365-7105
Primary Part Number510728
Item NameGear,helical
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerAimtron Systems, Llc
StatusACTIVE
Body StyleWEBBED, SOLID
Pitch Diameter3.1482 INCHES NOMINAL IN
Nominal Distance From Bore Center to Keyway Bottom0.661 INCHES BOTH ENDS IN
Keyway Nominal Width0.125 INCHES BOTH ENDS IN
Bore StyleW/ KEYWAY BOTH ENDS
Teeth Quantity71
Style DesignatorHUBLESS
Nominal Outside Diameter3.041 INCHES IN
Bore Nominal Diameter1.187 INCHES BOTH ENDS IN
Tooth DirectionLEFT
Teeth TypeSINGLE HELIX
MaterialSTEEL COMP 4340 OVERALL
Tooth FormSTANDARD
Helix Angle20.0000 DEGREES
Face Nominal Width0.875 INCHES IN
Pressure Angle20.0000 DEGREES
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5306-00-274-555810728 INTERCHANGEABLE
Bolt,shoulder
Curtiss-Wright Electro-Mechanical Corporation Div Epd
Cross-Reference Index
Part NumberManufacturer
510728 PRIMARY Aimtron Systems, Llc (USA)
510728 Cardion Inc (USA)
Related Parts
5306-00-274-5558INTERCHANGEABLE
BOLT,SHOULDER
10728

Frequently Asked Questions

What is NSN 3020-01-365-7105?

NSN 3020-01-365-7105 is a Gear,helical, manufactured by Aimtron Systems, Llc, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-365-7105?

NSN 3020-01-365-7105 has 2 cross-referenced part numbers: 510728 (Aimtron Systems, Llc), 510728 (Cardion Inc).

What NSN replaces 3020-01-365-7105?

There is 1 known substitute for 3020-01-365-7105: 5306-00-274-5558. Verify interchangeability with system specifications before substitution.

What are the specifications of 510728?

Key specifications for 510728: Body Style: WEBBED, SOLID; Pitch Diameter: 3.1482 INCHES NOMINAL IN; Nominal Distance From Bore Center to Keyway Bottom: 0.661 INCHES BOTH ENDS IN; Keyway Nominal Width: 0.125 INCHES BOTH ENDS IN. 16 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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