The Worm Shaft, cataloged under National Stock Number 3040-01-413-9067, 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 14 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-413-9067 |
| Primary Part Number | 845-6556577 |
| 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 Thread Lead | 0.5088 INCHES NOMINAL IN |
| Material Document and Classification | ASTM A304 ASSN STD SINGLE MATERIAL RESPONSE |
| Worm Pitch Diameter | 2.505 INCHES NOMINAL IN |
| Worm Outside Diameter | 2.942 INCHES MINIMUM AND 2.946 INCHES MAXIMUM IN |
| Straight Unthreaded Section Diameter | 1.770 INCHES NOMINAL SECOND END SECOND PORTION IN |
| End Similarity | NOT IDENTICAL |
| Worm Thread Section Length | 3.560 INCHES MINIMUM AND 3.600 INCHES MAXIMUM IN |
| Worm Helix Angle | 4 DEG 15 MIN |
| Material | STEEL |
| Worm Thread Quantity | 1 |
| Worm Thread Direction | LEFT-HAND |
| Worm Pressure Angle in Deg | 20.000 |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 845-6603141-129 | Naval Sea Systems Command (USA) |
| 845-6556577 PRIMARY | Naval Sea Systems Command (USA) |
NSN 3040-01-413-9067 is a Worm Shaft, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-413-9067 has 2 manufacturer part numbers on file: 845-6603141-129 (Naval Sea Systems Command), 845-6556577 (Naval Sea Systems Command).
Key specifications for 845-6556577: Shaft Location: BOTH ENDS OF WORM; Worm Thread Lead: 0.5088 INCHES NOMINAL IN; Material Document and Classification: ASTM A304 ASSN STD SINGLE MATERIAL RESPONSE; Overall Length: 15.200 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.