PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40353Worm Shaft

Honeywell International Inc. Div Aerospace - Torrance · NSN 3040-00-542-1686 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-542-1686 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-542-1686. Primary manufacturer part number: 40353.
Features
  • Worm Shaft — FSC 3040
  • Worm Outside Diameter: 0.74955 INCHES NOMINAL IN
  • Worm Thread Section Length: 16.290 INCHES NOMINAL IN
  • Worm Body Length: 16.790 INCHES NOMINAL IN
  • Shaft Hardness Rating: 38.0 ROCKWELL C MAXIMUM SECOND END
  • Worm Body Tapered Bearing Surface End: NOT PROVIDED
  • Teeth Hardness Rating: 38.0 ROCKWELL C MAXIMUM SECOND END
  • Threaded Section Pin Hole Diameter: 0.111 INCHES NOMINAL FIRST END SECOND PORTION IN
Applications
  • Applications requiring Steel construction
General Description

The Worm Shaft, cataloged under National Stock Number 3040-00-542-1686, 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 - Torrance. Government technical data includes 26 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-00-542-1686
Primary Part Number40353
Item NameWorm Shaft
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerHoneywell International Inc. Div Aerospace - Torrance
StatusACTIVE
Worm Outside Diameter0.74955 INCHES NOMINAL IN
Worm Thread Section Length16.290 INCHES NOMINAL IN
Worm Body Length16.790 INCHES NOMINAL IN
Shaft Hardness Rating38.0 ROCKWELL C MAXIMUM SECOND END
Worm Body Tapered Bearing Surface EndNOT PROVIDED
Teeth Hardness Rating38.0 ROCKWELL C MAXIMUM SECOND END
Threaded Section Pin Hole Diameter0.111 INCHES NOMINAL FIRST END SECOND PORTION IN
Worm Helix Angle3 DEG 24 MIN
Teeth Hardness Rating34.0 ROCKWELL C MINIMUM FIRST END
FSC Application DataRADAR SET,NONAIRBORNE,EXCEPT FIRE CONTROL AND GUIDED MISSILE
Thread Length0.550 INCHES NOMINAL FIRST END SECOND PORTION IN
Straight Unthreaded Section Diameter0.66935 INCHES NOMINAL FIRST END FIRST PORTION IN
MaterialSTEEL
Shaft LocationONE END OF WORM
Screw Thread Series DesignatorUNF FIRST END SECOND PORTION
Unthreaded Section Keyway Depth0.19135 INCHES NOMINAL FIRST END FIRST PORTION IN
Straight Unthreaded Length2.200 INCHES NOMINAL FIRST END FIRST PORTION IN
Shaft Hardness Rating34.0 ROCKWELL C MINIMUM FIRST END
Worm Thread DirectionRIGHT-HAND
End SimilarityNOT IDENTICAL
Unthreaded Section Keyway Width0.12475 INCHES NOMINAL FIRST END FIRST PORTION IN
Shaft Thread DirectionRIGHT-HAND FIRST END SECOND PORTION
Worm Pitch Diameter0.68045 INCHES NOMINAL IN
Worm Thread Lead0.2500 INCHES NOMINAL IN
Worm Pressure Angle in Deg29.000
Worm Thread Quantity2
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5450-00-347-97144035-3 INTERCHANGEABLE
Guy and Adjuster As
Pfaff and Kendall
5950-00-603-32861221563 INTERCHANGEABLE
Transformer,radio Frequency
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5310-01-564-27893011413 INTERCHANGEABLE
Washer,flat
Rkr Technologies, Ltd. Dba Rkr Technologies Ltd Div Rocket Air Supply
Cross-Reference Index
Part NumberManufacturer
40353 Alliedsignal Inc Dba Allied-Signal Aerospace Co (USA)
40353 PRIMARY Honeywell International Inc. Div Aerospace - Torrance (USA)
Related Parts
5450-00-347-9714INTERCHANGEABLE
GUY AND ADJUSTER AS
4035-3
5950-00-603-3286INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
1221563
5310-01-564-2789INTERCHANGEABLE
WASHER,FLAT
3011413

Frequently Asked Questions

What is NSN 3040-00-542-1686?

NSN 3040-00-542-1686 is a Worm Shaft, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-00-542-1686?

NSN 3040-00-542-1686 has 2 cross-referenced part numbers: 40353 (Alliedsignal Inc Dba Allied-Signal Aerospace Co), 40353 (Honeywell International Inc. Div Aerospace - Torrance).

What NSN replaces 3040-00-542-1686?

There are 3 known substitutes for 3040-00-542-1686: 5450-00-347-9714, 5950-00-603-3286, 5310-01-564-2789. Verify interchangeability with system specifications before substitution.

What are the specifications of 40353?

Key specifications for 40353: Worm Outside Diameter: 0.74955 INCHES NOMINAL IN; Worm Thread Section Length: 16.290 INCHES NOMINAL IN; Worm Body Length: 16.790 INCHES NOMINAL IN; Shaft Hardness Rating: 38.0 ROCKWELL C MAXIMUM SECOND END. 27 total characteristics are documented in the Federal Logistics Information System.

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