The Gearshaft,bevel, cataloged under National Stock Number 3040-00-012-4290, 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 8 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-00-012-4290 |
| Primary Part Number | S6137-23053-1 |
| Item Name | Gearshaft,bevel |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Shaft Material | STEEL COMP E9310 |
| Teeth Quantity | 25 |
| Pitch Angle | 25.0000 DEGREES |
| Teeth Type | SPIRAL |
| Gear Outside Diameter | 2.750 INCHES NOMINAL IN |
| Criticality Code Justification | FEAT |
| Gear Material | STEEL COMP E9310 |
| Pressure Angle | 20.0000 DEGREES |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| S6137-23053-1 | Leonardo Uk Ltd (GBR) |
| 0124290 | Triumph Gear Systems - Macomb, Inc (USA) |
| S6137-23053-1 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| Reference | Meaning |
|---|---|
| S6137-23053-1 | 5/9 Secondary reference U.S. Government activity |
NSN 3040-00-012-4290 is a Gearshaft,bevel, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-012-4290 has 3 manufacturer part numbers on file: S6137-23053-1 (Leonardo Uk Ltd), 0124290 (Triumph Gear Systems - Macomb, Inc), S6137-23053-1 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for S6137-23053-1: Shaft Material: STEEL COMP E9310; Teeth Quantity: 25; Pitch Angle: 25.0000 DEGREES; Teeth Type: SPIRAL. 8 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.