The Shaft,shouldered, cataloged under National Stock Number 3040-01-181-1361, 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 Defense. Government technical data includes 10 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-181-1361 |
| Primary Part Number | 53-881056-3 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES |
| Step Quantity | 5 |
| First End Diameter | 0.4980 INCHES MINIMUM AND 0.4990 INCHES MAXIMUM IN |
| Second End Diameter | 0.3730 INCHES MINIMUM AND 0.3740 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.750 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Material Document and Classification | QQ-A-255/9,COND T7351 FED SPEC SINGLE MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| Second End Style | PLAIN |
| Material | ALUMINUM ALLOY 7075 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 53-881056-3 PRIMARY | The Boeing Company Div Defense (USA) |
NSN 3040-01-181-1361 is a Shaft,shouldered, manufactured by The Boeing Company Div Defense, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-181-1361 has 1 manufacturer part number on file: 53-881056-3 (The Boeing Company Div Defense).
Key specifications for 53-881056-3: Surface Finish: 63.0 MICROINCHES; Step Quantity: 5; First End Diameter: 0.4980 INCHES MINIMUM AND 0.4990 INCHES MAXIMUM IN; Second End Diameter: 0.3730 INCHES MINIMUM AND 0.3740 INCHES MAXIMUM IN. 10 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 3040-01-181-1361 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.