The Shaft,straight, cataloged under National Stock Number 3040-01-418-6566, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Lake Shore Systems, Inc.. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-418-6566 |
| Primary Part Number | 7B9-06366 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Lake Shore Systems, Inc. |
| Status | ACTIVE |
| Surface Finish | 10.0 MICROINCHES |
| First End Diameter | 0.2495 INCHES MINIMUM AND 0.2497 INCHES MAXIMUM IN |
| Second End Diameter | 0.2495 INCHES MINIMUM AND 0.2497 INCHES MAXIMUM IN |
| First End Style | CIRCULAR GROOVED |
| Second End Groove Diameter | 0.2285 INCHES MINIMUM AND 0.2315 INCHES MAXIMUM IN |
| Second End Slot Depth | 0.0460 INCHES MINIMUM AND 0.0700 INCHES MAXIMUM IN |
| End Similarity | NOT IDENTICAL |
| Second End Slot Width | 0.0640 INCHES MINIMUM AND 0.0750 INCHES MAXIMUM IN |
| First End Distance From End to Groove | 0.6280 INCHES MINIMUM AND 0.6340 INCHES MAXIMUM IN |
| Second End Groove Width | 0.0400 INCHES MINIMUM AND 0.0420 INCHES MAXIMUM IN |
| Second End Distance From End to Groove | 0.2860 INCHES MINIMUM AND 0.2900 INCHES MAXIMUM IN |
| First End Groove Diameter | 0.2285 INCHES MINIMUM AND 0.2315 INCHES MAXIMUM IN |
| Second End Style | CIRCULAR GROOVED AND SLOTTED |
| Material | STEEL COMP 303 |
| First End Groove Width | 0.0400 INCHES MINIMUM AND 0.0420 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 |
| Part Number | Manufacturer |
|---|---|
| 7D3-05168-9 | Lake Shore Systems, Inc. (USA) |
| 7B9-06366 PRIMARY | Lake Shore Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| S4-28 | 5/9 Secondary reference W. M. Berg, Inc. |
NSN 3040-01-418-6566 is a Shaft,straight, manufactured by Lake Shore Systems, Inc., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-418-6566 has 2 manufacturer part numbers on file: 7D3-05168-9 (Lake Shore Systems, Inc.), 7B9-06366 (Lake Shore Systems, Inc.).
Key specifications for 7B9-06366: Surface Finish: 10.0 MICROINCHES; First End Diameter: 0.2495 INCHES MINIMUM AND 0.2497 INCHES MAXIMUM IN; Second End Diameter: 0.2495 INCHES MINIMUM AND 0.2497 INCHES MAXIMUM IN; First End Style: CIRCULAR GROOVED. 15 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.