The Gearshaft,bevel, cataloged under National Stock Number 3040-00-776-0271, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-00-776-0271 |
| Primary Part Number | 387837 |
| Item Name | Gearshaft,bevel |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Shaft Type | SHOULDERED |
| Shaft Material | STEEL COMP E9310 |
| Shaft Largest Diameter | 0.472 INCHES MINIMUM AND 0.473 INCHES MAXIMUM IN |
| Shaft End Size | 0.410 INCHES IN |
| Teeth Quantity | 34 |
| Pitch Angle | 58.2986 DEGREES |
| Diametral Pitch | 17 |
| Teeth Type | STRAIGHT |
| Gear Outside Diameter | 2.044 INCHES NOMINAL IN |
| Hardness Rating | 79.0 ROCKWELL A MINIMUM AND 85.0 ROCKWELL A MAXIMUM OVERALL |
| Gear Material | STEEL COMP E9310 |
| Shaft Length | 5.735 INCHES MINIMUM AND 5.741 INCHES MAXIMUM IN |
| Shaft End Type | PLAIN |
| Gear Location on Shaft | ON END OF SHAFT |
| Pressure Angle | 20.0000 DEGREES |
| Face Width | 0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3040-00-776-0271 is a Gearshaft,bevel, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-776-0271 has 2 manufacturer part numbers on file: 387837 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 387837 (Arrow Gear Llc).
Key specifications for 387837: Shaft Type: SHOULDERED; Shaft Material: STEEL COMP E9310; Shaft Largest Diameter: 0.472 INCHES MINIMUM AND 0.473 INCHES MAXIMUM IN; Shaft End Size: 0.410 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.