The Worm Shaft, cataloged under National Stock Number 3040-01-113-4587, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 29 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-113-4587 |
| Item Name | Worm Shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Shaft Location | BOTH ENDS OF WORM |
| Worm Body Length | 2.016 INCHES NOMINAL IN |
| Worm Thread Lead | 0.393 INCHES NOMINAL IN |
| Worm Pitch Diameter | 1.250 INCHES NOMINAL IN |
| Worm Outside Diameter | 1.500 INCHES NOMINAL IN |
| Straight Unthreaded Section Diameter | 0.616 INCHES NOMINAL FIRST END SECOND PORTION IN |
| Straight Unthreaded Section Diameter | 0.616 INCHES NOMINAL SECOND END SECOND PORTION IN |
| Straight Unthreaded Section Diameter | 0.624 INCHES NOMINAL SECOND END FOURTH PORTION IN |
| Straight Unthreaded Section Diameter | 0.626 INCHES NOMINAL FIRST END THIRD PORTION IN |
| Straight Unthreaded Section Diameter | 0.626 INCHES NOMINAL SECOND END THIRD PORTION IN |
| Straight Unthreaded Section Diameter | 0.930 INCHES NOMINAL FIRST END FIRST PORTION IN |
| Straight Unthreaded Section Diameter | 0.930 INCHES NOMINAL SECOND END FIRST PORTION IN |
| Unthreaded Section Keyway Depth | 0.094 INCHES NOMINAL SECOND END FOURTH PORTION IN |
| Unthreaded Section Pin Hole Diameter | 1.2500 INCHES NOMINAL SECOND END FOURTH PORTION IN |
| End Similarity | NOT IDENTICAL |
| Worm Thread Section Length | 2.016 INCHES NOMINAL IN |
| Worm Helix Angle | 5 DEG 43 MIN |
| Material | STEEL |
| Worm Thread Quantity | 1 |
| Worm Thread Direction | RIGHT-HAND |
| Unthreaded Section Keyway Width | 0.1880 INCHES NOMINAL SECOND END FOURTH PORTION IN |
| Worm Pressure Angle in Deg | 14.500 |
| Worm Body Tapered Bearing Surface End | NOT PROVIDED |
| Straight Unthreaded Length | 0.062 INCHES NOMINAL FIRST END SECOND PORTION IN |
| Straight Unthreaded Length | 0.062 INCHES NOMINAL SECOND END SECOND PORTION IN |
| Straight Unthreaded Length | 0.438 INCHES NOMINAL FIRST END THIRD PORTION IN |
| Straight Unthreaded Length | 0.500 INCHES NOMINAL SECOND END THIRD PORTION IN |
| Straight Unthreaded Length | 0.750 INCHES NOMINAL FIRST END FIRST PORTION IN |
| Straight Unthreaded Length | 0.750 INCHES NOMINAL SECOND END FIRST PORTION IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| TU23 | 5/9 Secondary reference Cissell Manufacturing Company Dba Cissell Mfg |
| K472 | 3/9 Design control — primary reference Cissell Manufacturing Company Dba Cissell Mfg |
NSN 3040-01-113-4587 is a Worm Shaft, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 5305-01-504-5628, 5950-01-530-6016, 7320-01-615-0008. Verify interchangeability with system specifications before substitution.
Key specifications for 3040-01-113-4587: Shaft Location: BOTH ENDS OF WORM; Worm Body Length: 2.016 INCHES NOMINAL IN; Worm Thread Lead: 0.393 INCHES NOMINAL IN; Overall Length: 6.891 INCHES NOMINAL IN. 29 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.