The Gearshaft,worm Wheel, cataloged under National Stock Number 3040-01-494-2073, 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 20 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-494-2073 |
| Primary Part Number | 752-7068477-26 |
| Item Name | Gearshaft,worm Wheel |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Shaft Type | SHOULDERED |
| Shaft Material | STEEL |
| Helix Angle | 3.0000 DEGREES |
| Shaft Largest Diameter | 1.4040 INCHES MINIMUM AND 1.4050 INCHES MAXIMUM IN |
| Shaft End Size | 0.687 INCHES AND 0.7876 INCHES IN |
| Teeth Quantity | 52 |
| Tooth Direction | RIGHT |
| Diametral Pitch | 39.26899 |
| Throat Nominal Radius | 0.218 INCHES IN |
| Face Type | CONCAVE |
| Precision Classification | QUALITY NUMBER 6 |
| Gear Outside Diameter | 1.4040 INCHES MINIMUM AND 1.4050 INCHES MAXIMUM IN |
| Longer Shaft Segment Length | 4.031 INCHES MINIMUM AND 4.051 INCHES MAXIMUM IN |
| Gear Material | STEEL |
| Shaft Length | 6.264 INCHES MINIMUM AND 6.304 INCHES MAXIMUM IN |
| Shaft End Type | CIRCULAR GROOVED, KEYWAY FLAT, THREADED EXTERNAL AND CIRCULAR GROOVED, KEYWAY FLAT |
| Gear Location on Shaft | OFF CENTER BETWEEN ENDS OF SHAFT |
| Pressure Angle | 20.0000 DEGREES |
| Face Width | 0.536 INCHES NOMINAL IN |
| Mating Thread Lead Quantity | 1 |
| 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 |
|---|---|
| 752-7068477-26 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 7068477 | D/9 Drawing number reference only Naval Sea Systems Command |
| H832-1662-26 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-01-494-2073 is a Gearshaft,worm Wheel, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-494-2073 has 1 manufacturer part number on file: 752-7068477-26 (Naval Sea Systems Command).
Key specifications for 752-7068477-26: Shaft Type: SHOULDERED; Shaft Material: STEEL; Helix Angle: 3.0000 DEGREES; Shaft Largest Diameter: 1.4040 INCHES MINIMUM AND 1.4050 INCHES MAXIMUM IN. 20 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.