The Shaft,shouldered, cataloged under National Stock Number 3040-01-144-3759, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Bae Systems Information and Electronic Systems Integration Inc.. Government technical data includes 9 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 | 3040-01-144-3759 |
| Primary Part Number | 1264-555 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Bae Systems Information and Electronic Systems Integration Inc. |
| Status | ACTIVE |
| Step Quantity | 3 |
| First End Diameter | 0.5600 INCHES MINIMUM AND 0.5620 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.560 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
| First End Style | CIRCULAR GROOVED |
| End Similarity | IDENTICAL |
| First End Distance From End to Groove | 0.088 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN |
| First End Groove Diameter | 0.4320 INCHES MINIMUM AND 0.4420 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 6061 |
| First End Groove Width | 0.1200 INCHES MINIMUM AND 0.1300 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 |
|---|---|
| 1264-555 PRIMARY | Bae Systems Information and Electronic Systems Integration Inc. (USA) |
NSN 3040-01-144-3759 is a Shaft,shouldered, manufactured by Bae Systems Information and Electronic Systems Integration Inc., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-144-3759 has 1 manufacturer part number on file: 1264-555 (Bae Systems Information and Electronic Systems Integration Inc.).
Key specifications for 1264-555: Step Quantity: 3; First End Diameter: 0.5600 INCHES MINIMUM AND 0.5620 INCHES MAXIMUM IN; Largest Step Diameter: 0.560 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN; First End Style: CIRCULAR GROOVED. 9 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.