The Shaft,shouldered, cataloged under National Stock Number 3040-01-181-3440, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Lockheed Martin Corporation Div Rotary and Mission Systems. 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 | 3040-01-181-3440 |
| Primary Part Number | 6226623-1 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Lockheed Martin Corporation Div Rotary and Mission Systems |
| Status | ACTIVE |
| Second End Hole Diameter | 0.0630 INCHES NOMINAL IN |
| Step Quantity | 4 |
| Second End Diameter | 0.1390 INCHES NOMINAL IN |
| Largest Step Diameter | 0.220 INCHES NOMINAL IN |
| First End Style | EXTERNAL THREADED |
| Material Document and Classification | QQ-S-763,COND B FED SPEC SINGLE MATERIAL RESPONSE |
| Second End Distance From Hole Center to End | 0.071 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | UNTHREADED CROSS DRILLED |
| Material | STEEL COMP 304 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 6226623-1 PRIMARY | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
NSN 3040-01-181-3440 is a Shaft,shouldered, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-181-3440 has 1 manufacturer part number on file: 6226623-1 (Lockheed Martin Corporation Div Rotary and Mission Systems).
Key specifications for 6226623-1: Second End Hole Diameter: 0.0630 INCHES NOMINAL IN; Step Quantity: 4; Second End Diameter: 0.1390 INCHES NOMINAL IN; Largest Step Diameter: 0.220 INCHES NOMINAL 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.
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.