PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

120669Shaft,shouldered

Honeywell International, Inc Div Aerospace-Tucson · NSN 3040-00-037-8090 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-037-8090 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-037-8090. Primary manufacturer part number: 120669.
Features
  • Shaft,shouldered — FSC 3040
  • First End Diameter: 0.4580 INCHES NOMINAL IN
  • FSC Application Data: GENERATOR DIRECT
  • Surface Finish: 125.0 MICROINCHES
  • Second End Spline Length: 1.875 INCHES NOMINAL IN
  • First End Style: SPLINED (STRAIGHT)
  • First End Spline Minor Diameter: 0.4550 INCHES NOMINAL IN
  • Second End Spline Major Diameter: 0.8670 INCHES NOMINAL IN
Applications
  • Applications requiring Steel construction
General Description

The Shaft,shouldered, cataloged under National Stock Number 3040-00-037-8090, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Honeywell International, Inc Div Aerospace-Tucson. Government technical data includes 18 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
NSN3040-00-037-8090
Primary Part Number120669
Item NameShaft,shouldered
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerHoneywell International, Inc Div Aerospace-Tucson
StatusACTIVE
First End Diameter0.4580 INCHES NOMINAL IN
FSC Application DataGENERATOR DIRECT
Surface Finish125.0 MICROINCHES
Second End Spline Length1.875 INCHES NOMINAL IN
First End StyleSPLINED (STRAIGHT)
First End Spline Minor Diameter0.4550 INCHES NOMINAL IN
Second End Spline Major Diameter0.8670 INCHES NOMINAL IN
Second End Diameter0.8670 INCHES NOMINAL IN
Step Quantity2
First End Spline Major Diameter0.4580 INCHES NOMINAL IN
Second End StyleSPLINED (STRAIGHT)
Second End Spline Quantity17
First End Spline Length1.125 INCHES NOMINAL IN
End SimilarityNOT IDENTICAL
Largest Step Diameter0.867 INCHES NOMINAL IN
Second End Spline Minor Diameter0.8630 INCHES NOMINAL IN
First End Spline Quantity10
MaterialSTEEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
2910-00-541-6911120669 INTERCHANGEABLE
Filter Element,fluid
Dresser, Llc
Cross-Reference Index
Part NumberManufacturer
120669 PRIMARY Honeywell International, Inc Div Aerospace-Tucson (USA)
120669 Allied Signal Inc Aerospace Equipment Systems Eatontown Site (USA)
Related Parts
2910-00-541-6911INTERCHANGEABLE
FILTER ELEMENT,FLUID
120669

Frequently Asked Questions

What is NSN 3040-00-037-8090?

NSN 3040-00-037-8090 is a Shaft,shouldered, manufactured by Honeywell International, Inc Div Aerospace-Tucson, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-00-037-8090?

NSN 3040-00-037-8090 has 2 cross-referenced part numbers: 120669 (Honeywell International, Inc Div Aerospace-Tucson), 120669 (Allied Signal Inc Aerospace Equipment Systems Eatontown Site).

What NSN replaces 3040-00-037-8090?

There is 1 known substitute for 3040-00-037-8090: 2910-00-541-6911. Verify interchangeability with system specifications before substitution.

What are the specifications of 120669?

Key specifications for 120669: First End Diameter: 0.4580 INCHES NOMINAL IN; Overall Length: 10.8437 INCHES NOMINAL IN; FSC Application Data: GENERATOR DIRECT; Surface Finish: 125.0 MICROINCHES. 19 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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