PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A2043Gear,worm Wheel

Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division · NSN 3020-00-696-6393 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-696-6393 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-696-6393. Primary manufacturer part number: A2043.
Features
  • Gear,worm Wheel — FSC 3020
  • Nominal Overall Length: 0.656 INCHES IN
  • Bore Style: W/ KEYWAY BOTH ENDS
  • Nominal Distance Between Body Face and Protruding Hub End: 0.172 INCHES BOTH ENDS IN
  • Keyway Nominal Width: 0.127 INCHES BOTH ENDS IN
  • Style Designator: PROTRUDING HUBS
  • Face Type: CONCAVE
  • Nominal Outside Diameter: 1.7500 INCHES IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Copper Alloy Overall construction
General Description

The Gear,worm Wheel, cataloged under National Stock Number 3020-00-696-6393, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division. Government technical data includes 21 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-696-6393
Primary Part NumberA2043
Item NameGear,worm Wheel
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerEaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division
StatusACTIVE
Nominal Overall Length0.656 INCHES IN
Bore StyleW/ KEYWAY BOTH ENDS
Nominal Distance Between Body Face and Protruding Hub End0.172 INCHES BOTH ENDS IN
Keyway Nominal Width0.127 INCHES BOTH ENDS IN
Style DesignatorPROTRUDING HUBS
Face TypeCONCAVE
Nominal Outside Diameter1.7500 INCHES IN
Bore Nominal Diameter0.624 INCHES BOTH ENDS IN
MaterialCOPPER ALLOY OVERALL
Throat Nominal Radius0.218 INCHES IN
Pressure Angle14.5000 DEGREES
Pitch Diameter1.6250 INCHES NOMINAL IN
Body StyleWEBBED, SOLID
Nominal Distance From Bore Center to Keyway Bottom0.3830 INCHES BOTH ENDS IN
Tooth DirectionRIGHT
Hub Nominal Diameter0.875 INCHES BOTH ENDS IN
Hub Style DesignatorPLAIN BOTH ENDS
Teeth Quantity39
Mating Thread Lead Quantity1
Face Nominal Width0.312 INCHES IN
Helix Angle4.7667 DEGREES
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-00-275-2087 INTERCHANGEABLE
Nut,self-Locking,hexagon
4730-00-877-4074A2043 INTERCHANGEABLE
Strainer Element,sediment
Aerocontrolex Group, Inc. Dba Aero Fluid Products
Cross-Reference Index
Part NumberManufacturer
A2043 Eaton Motor Site (USA)
A2043 PRIMARY Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division (USA)
Related Parts
5310-00-275-2087INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
4730-00-877-4074INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
A2043

Frequently Asked Questions

What is NSN 3020-00-696-6393?

NSN 3020-00-696-6393 is a Gear,worm Wheel, manufactured by Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-696-6393?

NSN 3020-00-696-6393 has 2 cross-referenced part numbers: A2043 (Eaton Motor Site), A2043 (Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division).

What NSN replaces 3020-00-696-6393?

There are 2 known substitutes for 3020-00-696-6393: 5310-00-275-2087, 4730-00-877-4074. Verify interchangeability with system specifications before substitution.

What are the specifications of A2043?

Key specifications for A2043: Nominal Overall Length: 0.656 INCHES IN; Bore Style: W/ KEYWAY BOTH ENDS; Nominal Distance Between Body Face and Protruding Hub End: 0.172 INCHES BOTH ENDS IN; Keyway Nominal Width: 0.127 INCHES BOTH ENDS IN. 21 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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