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.
| Parameter | Value |
|---|---|
| NSN | 3040-00-542-1686 |
| Primary Part Number | 40353 |
| Item Name | Worm Shaft |
| FSC / FSG | 3040 / 30 — No Item Name Available |
| Manufacturer | Honeywell International Inc. Div Aerospace - Torrance |
| Status | ACTIVE |
| 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 |
| Worm Helix Angle | 3 DEG 24 MIN |
| Teeth Hardness Rating | 34.0 ROCKWELL C MINIMUM FIRST END |
| FSC Application Data | RADAR SET,NONAIRBORNE,EXCEPT FIRE CONTROL AND GUIDED MISSILE |
| Thread Length | 0.550 INCHES NOMINAL FIRST END SECOND PORTION IN |
| Straight Unthreaded Section Diameter | 0.66935 INCHES NOMINAL FIRST END FIRST PORTION IN |
| Material | STEEL |
| Shaft Location | ONE END OF WORM |
| Screw Thread Series Designator | UNF FIRST END SECOND PORTION |
| Unthreaded Section Keyway Depth | 0.19135 INCHES NOMINAL FIRST END FIRST PORTION IN |
| Straight Unthreaded Length | 2.200 INCHES NOMINAL FIRST END FIRST PORTION IN |
| Shaft Hardness Rating | 34.0 ROCKWELL C MINIMUM FIRST END |
| Worm Thread Direction | RIGHT-HAND |
| End Similarity | NOT IDENTICAL |
| Unthreaded Section Keyway Width | 0.12475 INCHES NOMINAL FIRST END FIRST PORTION IN |
| Shaft Thread Direction | RIGHT-HAND FIRST END SECOND PORTION |
| Worm Pitch Diameter | 0.68045 INCHES NOMINAL IN |
| Worm Thread Lead | 0.2500 INCHES NOMINAL IN |
| Worm Pressure Angle in Deg | 29.000 |
| Worm Thread Quantity | 2 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
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.
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).
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.
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.