The Worm Shaft, cataloged under National Stock Number 3040-01-342-9126, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-342-9126 |
| Item Name | Worm Shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Shaft Location | BOTH ENDS OF WORM |
| Worm Body Length | 21.687 INCHES NOMINAL IN |
| Worm Thread Lead | 2.600 INCHES NOMINAL IN |
| Worm Pitch Diameter | 3.724 INCHES NOMINAL IN |
| Worm Outside Diameter | 4.552 INCHES NOMINAL IN |
| Straight Unthreaded Section Diameter | 3.002 INCHES NOMINAL SECOND END SECOND PORTION IN |
| End Similarity | NOT IDENTICAL |
| Worm Thread Section Length | 6.875 INCHES NOMINAL IN |
| Worm Helix Angle | 4 DEG 27 MIN |
| Material | STEEL |
| Worm Thread Quantity | 2 |
| Worm Thread Direction | RIGHT-HAND |
| Worm Pressure Angle in Deg | 22.500 |
| Worm Body Tapered Bearing Surface End | NOT PROVIDED |
| 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 |
|---|---|
| DW0249M-1X15 | C/1 Advisory reference — outside the item-of-supply concept Imo Industries Inc Delroyd Worm Gear Div |
| WB-17257 | D/9 Drawing number reference only Imo Industries Inc Delroyd Worm Gear Div |
| WF-5635 PIECE 56 | 3/9 Design control — primary reference Imo Industries Inc Delroyd Worm Gear Div |
NSN 3040-01-342-9126 is a Worm Shaft, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-342-9126: Shaft Location: BOTH ENDS OF WORM; Worm Body Length: 21.687 INCHES NOMINAL IN; Worm Thread Lead: 2.600 INCHES NOMINAL IN; Overall Length: 31.500 INCHES NOMINAL IN. 14 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.