The Worm Shaft, cataloged under National Stock Number 3040-01-310-6602, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 21 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-310-6602 |
| Primary Part Number | 2692931 |
| Item Name | Worm Shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Shaft Location | BOTH ENDS OF WORM |
| Worm Body Length | 1.156 INCHES NOMINAL IN |
| Worm Thread Lead | 0.0654 INCHES NOMINAL IN |
| Worm Pitch Diameter | 0.333 INCHES NOMINAL IN |
| Worm Outside Diameter | 0.375 INCHES NOMINAL IN |
| Straight Unthreaded Section Diameter | 0.250 INCHES NOMINAL FIRST END IN |
| Straight Unthreaded Section Diameter | 0.249 INCHES NOMINAL SECOND END IN |
| Unthreaded Section Keyway Depth | 0.093 INCHES NOMINAL FIRST END IN |
| Unthreaded Section Pin Hole Diameter | 0.0360 INCHES NOMINAL FIRST END IN |
| End Similarity | NOT IDENTICAL |
| Surface Treatment | PASSIVATE |
| Worm Thread Section Length | 0.438 INCHES NOMINAL IN |
| Worm Helix Angle | 3 DEG 35 MIN |
| Material | STEEL |
| Worm Thread Quantity | 1 |
| Worm Thread Direction | RIGHT-HAND |
| Unthreaded Section Keyway Width | 0.0620 INCHES NOMINAL FIRST END IN |
| Worm Pressure Angle in Deg | 14.500 |
| Worm Body Tapered Bearing Surface End | NOT PROVIDED |
| Straight Unthreaded Length | 0.156 INCHES NOMINAL FIRST END IN |
| Straight Unthreaded Length | 0.562 INCHES NOMINAL SECOND 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 |
|---|---|
| 2692931 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 3040-01-310-6602 is a Worm Shaft, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-310-6602 has 1 manufacturer part number on file: 2692931 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 2692931: Shaft Location: BOTH ENDS OF WORM; Worm Body Length: 1.156 INCHES NOMINAL IN; Worm Thread Lead: 0.0654 INCHES NOMINAL IN; Overall Length: 1.437 INCHES NOMINAL IN. 21 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.