The Gearshaft,bevel, cataloged under National Stock Number 3040-01-129-1838, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Moog Military Aircraft Llc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-129-1838 |
| Primary Part Number | 2040871-1 |
| Item Name | Gearshaft,bevel |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Moog Military Aircraft Llc |
| Status | ACTIVE |
| Shaft Type | SHOULDERED |
| Shaft Material | STEEL COMP 4140 |
| Shaft Largest Diameter | 2.755 INCHES MINIMUM AND 2.756 INCHES MAXIMUM IN |
| Shaft End Size | 1.122 INCHES IN |
| Teeth Quantity | 30 |
| Pitch Angle | 45.0000 DEGREES |
| Diametral Pitch | 6 |
| Teeth Type | STRAIGHT |
| Gear Outside Diameter | 5.189 INCHES NOMINAL IN |
| Criticality Code Justification | FEAT |
| Gear Material | STEEL COMP 4140 |
| Shaft Length | 15.192 INCHES NOMINAL IN |
| Shaft End Type | SPLINED STRAIGHT |
| Gear Location on Shaft | ON END OF SHAFT |
| Pressure Angle | 20.0000 DEGREES |
| Face Width | 1.187 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 2040871-1 PRIMARY | Moog Military Aircraft Llc (USA) |
| Reference | Meaning |
|---|---|
| 2040871-1 | 5/9 Secondary reference Honeywell International Inc. Div Aerospace - Torrance |
| 2040871 | D/9 Drawing number reference only Honeywell International Inc. Div Aerospace - Torrance |
| 10106865 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 3040-01-129-1838 is a Gearshaft,bevel, manufactured by Moog Military Aircraft Llc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-129-1838 has 1 manufacturer part number on file: 2040871-1 (Moog Military Aircraft Llc).
Key specifications for 2040871-1: Shaft Type: SHOULDERED; Shaft Material: STEEL COMP 4140; Shaft Largest Diameter: 2.755 INCHES MINIMUM AND 2.756 INCHES MAXIMUM IN; Shaft End Size: 1.122 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.
NSN 3040-01-129-1838 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.