The Worm Shaft, cataloged under National Stock Number 3040-01-411-4236, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-411-4236 |
| Primary Part Number | 903-5912046PC14 |
| Item Name | Worm Shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Shaft Location | BOTH ENDS OF WORM |
| Worm Body Length | 1.374 INCHES NOMINAL IN |
| Worm Thread Lead | 0.263 INCHES NOMINAL IN |
| Worm Pitch Diameter | 0.709 INCHES NOMINAL IN |
| Worm Outside Diameter | 0.875 INCHES NOMINAL IN |
| Straight Unthreaded Section Diameter | 0.500 INCHES NOMINAL SECOND END IN |
| Straight Unthreaded Section Diameter | 0.375 INCHES NOMINAL FIRST END IN |
| End Similarity | NOT IDENTICAL |
| Shaft Hardness Rating | 50.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM LOCATION NOT OTHERWISE SPECIFIED |
| Worm Thread Section Length | 1.374 INCHES NOMINAL IN |
| Worm Helix Angle | 6 DEG 45 MIN |
| Material | STEEL |
| Worm Thread Quantity | 1 |
| Worm Thread Direction | RIGHT-HAND |
| Worm Body Tapered Bearing Surface End | NOT PROVIDED |
| Straight Unthreaded Length | 1.062 INCHES NOMINAL SECOND END IN |
| Straight Unthreaded Length | 0.812 INCHES NOMINAL FIRST END IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 903-5912046PC14 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 903-5912046 | D/9 Drawing number reference only U.S. Government activity |
| 903-5912046PC14 | 5/9 Secondary reference U.S. Government activity |
NSN 3040-01-411-4236 is a Worm Shaft, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-411-4236 has 1 manufacturer part number on file: 903-5912046PC14 (Naval Sea Systems Command).
3 possible matches (shared part number, not a government interchangeability claim): 3040-01-411-4238, 3010-01-411-4239, 3040-01-411-4241. Verify interchangeability with system specifications before substitution.
Key specifications for 903-5912046PC14: Shaft Location: BOTH ENDS OF WORM; Worm Body Length: 1.374 INCHES NOMINAL IN; Worm Thread Lead: 0.263 INCHES NOMINAL IN; Overall Length: 6.500 INCHES NOMINAL IN. 17 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.