PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A6670Gearshaft,helical

Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division · NSN 3040-00-712-8128 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-712-8128 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-712-8128. Primary manufacturer part number: A6670.
Features
  • Gearshaft,helical — FSC 3040
  • 2 verified cross-references
  • Primary manufacturer: Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Gearshaft,helical, cataloged under National Stock Number 3040-00-712-8128, is classified within Federal Supply Class 3040 (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. 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.

Catalog Facts
Item NameGearshaft,helical
FSC / FSG3040 — No Item Name Available (FSG 30)
ManufacturersEaton Motor Site (CAGE 72121); Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division (CAGE 17472)
Technical Specifications
ParameterValue
NSN3040-00-712-8128
Primary Part NumberA6670
Item NameGearshaft,helical
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerEaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
1650-00-373-7434A6670 INTERCHANGEABLE
Guide,disk,valve
Huck International, Inc. Div Kingston Operations
5950-01-011-3415SM-C-416400 INTERCHANGEABLE
Transformer,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Cross-Reference Index
Part NumberManufacturer
A6670 Eaton Motor Site (USA)
A6670 PRIMARY Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division (USA)
Related Parts
1650-00-373-7434INTERCHANGEABLE
GUIDE,DISK,VALVE
A6670
5950-01-011-3415INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
SM-C-416400

Frequently Asked Questions

What is NSN 3040-00-712-8128?

NSN 3040-00-712-8128 is a Gearshaft,helical, manufactured by Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-00-712-8128?

NSN 3040-00-712-8128 has 2 cross-referenced part numbers: A6670 (Eaton Motor Site), A6670 (Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division).

What NSN replaces 3040-00-712-8128?

There are 2 known substitutes for 3040-00-712-8128: 1650-00-373-7434, 5950-01-011-3415. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com