The Worm Shaft, cataloged under National Stock Number 3040-00-320-1484, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 23 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-320-1484 |
| Item Name | Worm Shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Shaft Location | BOTH ENDS OF WORM |
| Worm Body Length | 3.000 INCHES NOMINAL IN |
| Worm Thread Lead | 2.618 INCHES NOMINAL IN |
| Worm Pitch Diameter | 1.375 INCHES NOMINAL IN |
| Worm Outside Diameter | 1.708 INCHES NOMINAL IN |
| Straight Unthreaded Section Diameter | 0.7495 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM FIRST END SECOND PORTION IN |
| Straight Unthreaded Section Diameter | 0.7495 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM SECOND END SECOND PORTION IN |
| Straight Unthreaded Section Diameter | 0.9375 INCHES NOMINAL FIRST END FIRST PORTION IN |
| Straight Unthreaded Section Diameter | 0.9375 INCHES NOMINAL SECOND END FIRST PORTION IN |
| Unthreaded Section Keyway Depth | 0.9375 INCHES NOMINAL SECOND END SECOND PORTION IN |
| End Similarity | NOT IDENTICAL |
| Worm Thread Section Length | 3.000 INCHES NOMINAL IN |
| Worm Helix Angle | 31 DEG 13 MIN 6 SEC |
| Material | STEEL |
| Worm Thread Quantity | 5 |
| Worm Thread Direction | RIGHT-HAND |
| Unthreaded Section Keyway Width | 0.1875 INCHES NOMINAL SECOND END SECOND PORTION IN |
| Worm Pressure Angle in Deg | 14.500 |
| Worm Body Tapered Bearing Surface End | NOT PROVIDED |
| Straight Unthreaded Length | 0.9375 INCHES NOMINAL FIRST END FIRST PORTION IN |
| Straight Unthreaded Length | 0.9375 INCHES NOMINAL SECOND END FIRST PORTION IN |
| Straight Unthreaded Length | 1.8125 INCHES NOMINAL FIRST END SECOND PORTION IN |
| Straight Unthreaded Length | 8.0625 INCHES NOMINAL SECOND END SECOND 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 |
|---|---|
| VP3-64W | 5/9 Secondary reference Greerco Corp |
| VP3-64 | 3/9 Design control — primary reference Greerco Corp |
NSN 3040-00-320-1484 is a Worm Shaft, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-00-320-1484: Shaft Location: BOTH ENDS OF WORM; Worm Body Length: 3.000 INCHES NOMINAL IN; Worm Thread Lead: 2.618 INCHES NOMINAL IN; Overall Length: 14.750 INCHES NOMINAL IN. 23 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.