PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

276612Shaft,coupling

Eaton Aerospace, Llc Dba Jackson South · NSN 3040-00-077-2359 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-077-2359 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-077-2359. Primary manufacturer part number: 276612.
Features
  • Shaft,coupling — FSC 3040
  • General Characteristics Item Description: 2.534 IN. MIN,2.549 IN. MAX O/A LG,0.805 IN. MIN,0.807 IN. MAX OD IN
  • 1 verified cross-reference
  • Primary manufacturer: Eaton Aerospace, Llc Dba Jackson South
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Shaft,coupling, cataloged under National Stock Number 3040-00-077-2359, 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 Jackson South. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN3040-00-077-2359
Primary Part Number276612
Item NameShaft,coupling
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusACTIVE
General Characteristics Item Description2.534 IN. MIN,2.549 IN. MAX O/A LG,0.805 IN. MIN,0.807 IN. MAX OD IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5340-00-410-3532276612 INTERCHANGEABLE
Seat,helical Compression Spring
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4720-00-639-9899 INTERCHANGEABLE
Hose,nonmetallic
Cross-Reference Index
Part NumberManufacturer
276612 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
Related Parts
5340-00-410-3532INTERCHANGEABLE
SEAT,HELICAL COMPRESSION SPRING
276612
4720-00-639-9899INTERCHANGEABLE
HOSE,NONMETALLIC

Frequently Asked Questions

What is NSN 3040-00-077-2359?

NSN 3040-00-077-2359 is a Shaft,coupling, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-00-077-2359?

NSN 3040-00-077-2359 has 1 cross-referenced part number: 276612 (Eaton Aerospace, Llc Dba Jackson South).

What NSN replaces 3040-00-077-2359?

There are 2 known substitutes for 3040-00-077-2359: 5340-00-410-3532, 4720-00-639-9899. Verify interchangeability with system specifications before substitution.

What are the specifications of 276612?

Key specifications for 276612: General Characteristics Item Description: 2.534 IN. MIN,2.549 IN. MAX O/A LG,0.805 IN. MIN,0.807 IN. MAX OD IN. 1 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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