The Worm Shaft, cataloged under National Stock Number 3040-01-424-9872, 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 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-424-9872 |
| Primary Part Number | 6352185 |
| Item Name | Worm Shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Keyway Depth | 0.2500 INCHES NOMINAL SECOND END IN |
| Shaft Location | BOTH ENDS OF WORM |
| Worm Thread Lead | 2.000 INCHES NOMINAL IN |
| Worm Outside Diameter | 4.1250 INCHES NOMINAL IN |
| Straight Unthreaded Section Diameter | 3.0020 INCHES NOMINAL FIRST END IN |
| End Similarity | NOT IDENTICAL |
| Concave Worm Throat Curvature Radius | 5.000 INCHES NOMINAL IN |
| Keyway Width | 0.5000 INCHES NOMINAL SECOND END IN |
| Shaft Thread Direction | RIGHT-HAND SECOND END |
| Material | STEEL |
| Worm Thread Quantity | 2 |
| Worm Thread Direction | RIGHT-HAND |
| Concave Worm Throat Diameter | 3.260 INCHES NOMINAL IN |
| Worm Pressure Angle in Deg | 20.000 |
| Worm Body Tapered Bearing Surface End | NOT PROVIDED |
| Straight Unthreaded Length | 1.8750 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 |
|---|---|
| 6352185 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 80-210-20 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-01-424-9872 is a Worm Shaft, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-424-9872 has 1 manufacturer part number on file: 6352185 (Naval Sea Systems Command).
Key specifications for 6352185: Keyway Depth: 0.2500 INCHES NOMINAL SECOND END IN; Shaft Location: BOTH ENDS OF WORM; Worm Thread Lead: 2.000 INCHES NOMINAL IN; Overall Length: 17.5000 INCHES NOMINAL IN. 16 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.