The Gearshaft,bevel, cataloged under National Stock Number 3040-01-386-6660, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-386-6660 |
| Primary Part Number | 70351-08072-102 |
| Item Name | Gearshaft,bevel |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Shaft Type | SHOULDERED |
| Shaft Material | STEEL |
| Shaft Largest Diameter | 2.000 INCHES NOMINAL IN |
| Shaft End Size | 1.000 INCHES IN |
| Teeth Quantity | 37 |
| Pitch Angle | 16.8833 DEGREES |
| Tooth Direction | LEFT |
| Diametral Pitch | 10.857 |
| Teeth Type | SPIRAL |
| Gear Outside Diameter | 3.562 INCHES NOMINAL IN |
| Gear Material | STEEL |
| Shaft Length | 4.435 INCHES NOMINAL IN |
| Shaft End Type | SOCKET SQUARE |
| Gear Location on Shaft | ON END OF SHAFT |
| Pressure Angle | 20.0000 DEGREES |
| Face Width | 0.530 INCHES NOMINAL 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 |
|---|---|
| 70351-08072-102 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| Reference | Meaning |
|---|---|
| 70351-08072 | D/9 Drawing number reference only Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
NSN 3040-01-386-6660 is a Gearshaft,bevel, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-386-6660 has 1 manufacturer part number on file: 70351-08072-102 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for 70351-08072-102: Shaft Type: SHOULDERED; Shaft Material: STEEL; Shaft Largest Diameter: 2.000 INCHES NOMINAL IN; Shaft End Size: 1.000 INCHES 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.