The Shaft,shouldered, cataloged under National Stock Number 3040-01-164-9020, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is The Boeing Company Div Legacy Am&m. Government technical data includes 14 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-164-9020 |
| Primary Part Number | L5871044-003 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Step Quantity | 4 |
| First End Diameter | 0.4990 INCHES NOMINAL IN |
| Second End Diameter | 0.4990 INCHES NOMINAL IN |
| Largest Step Diameter | 0.499 INCHES NOMINAL IN |
| Second End Spline Minor Diameter | 0.3160 INCHES MINIMUM AND 0.3250 INCHES MAXIMUM IN |
| First End Style | PLAIN |
| Second End Spline Major Diameter | 0.4530 INCHES MINIMUM AND 0.4580 INCHES MAXIMUM IN |
| First End Spline Quantity | 10 |
| End Similarity | NOT IDENTICAL |
| Second End Pressure Angle | 30.0 DEGREES NOMINAL |
| Second End Style | PLAIN |
| Material | STEEL |
| Second End Pitch Diameter | 0.4170 INCHES NOMINAL IN |
| Second End Spline Length | 0.460 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| L5871044-003 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
| L5871044-003 | Maney Aircraft, Inc. Dba Maney Aircraft (USA) |
NSN 3040-01-164-9020 is a Shaft,shouldered, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-164-9020 has 2 manufacturer part numbers on file: L5871044-003 (The Boeing Company Div Legacy Am&m), L5871044-003 (Maney Aircraft, Inc. Dba Maney Aircraft).
Key specifications for L5871044-003: Step Quantity: 4; First End Diameter: 0.4990 INCHES NOMINAL IN; Second End Diameter: 0.4990 INCHES NOMINAL IN; Largest Step Diameter: 0.499 INCHES NOMINAL IN. 14 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 3040-01-164-9020 has DEMIL Code Q. 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.