PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B4071Gearshaft,spur

Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division · NSN 3040-00-945-8507 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-945-8507 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-945-8507. Primary manufacturer part number: B4071.
Features
  • Gearshaft,spur — 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,spur, cataloged under National Stock Number 3040-00-945-8507, 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameGearshaft,spur
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
NSN3040-00-945-8507
Primary Part NumberB4071
Item NameGearshaft,spur
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 1
5940-00-168-3382B4071 INTERCHANGEABLE
Splice,conductor
Electro-Term, Inc. Dba Electro Term Inc
Cross-Reference Index
Part NumberManufacturer
B4071 Eaton Motor Site (USA)
B4071 PRIMARY Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division (USA)
Related Parts
5940-00-168-3382INTERCHANGEABLE
SPLICE,CONDUCTOR
B4071

Frequently Asked Questions

What is NSN 3040-00-945-8507?

NSN 3040-00-945-8507 is a Gearshaft,spur, 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 3040-00-945-8507?

NSN 3040-00-945-8507 has 2 cross-referenced part numbers: B4071 (Eaton Motor Site), B4071 (Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division).

What NSN replaces 3040-00-945-8507?

There is 1 known substitute for 3040-00-945-8507: 5940-00-168-3382. Verify interchangeability with system specifications before substitution.

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