The Shaft,straight, cataloged under National Stock Number 3040-01-412-2665, 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 Land & Armaments L.p.. Government technical data includes 17 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 | 3040-01-412-2665 |
| Primary Part Number | 12364817 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Bae Systems Land & Armaments L.p. |
| Status | ACTIVE |
| Second End Grooved Flat Length | 0.7600 INCHES NOMINAL IN |
| Surface Finish | 125.0 MICROINCHES |
| First End Diameter | 0.9990 INCHES NOMINAL IN |
| Second End Distance From End to Flat | 0.240 INCHES NOMINAL IN |
| Second End Diameter | 0.9990 INCHES NOMINAL IN |
| First End Hole Depth | 0.9990 INCHES NOMINAL IN |
| Second End Distance From Keyway Center to End | 0.6500 INCHES NOMINAL IN |
| First End Style | UNTHREADED CROSS DRILLED |
| Second End Keyway Width | 0.1871 INCHES NOMINAL IN |
| Material Document and Classification | ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| First End Hole Diameter | 0.3700 INCHES NOMINAL IN |
| Second End Grooved Flat Depth | 0.0740 INCHES NOMINAL IN |
| Second End Style | FLAT GROOVE AND WOODRUFF KEYWAY |
| Material | STEEL COMP 1015 OR STEEL COMP 1025 |
| First End Distance From Hole Center to End | 1.4700 INCHES NOMINAL IN |
| External Keyway Length | 0.7590 INCHES NOMINAL SECOND END IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3040-01-412-2665 is a Shaft,straight, manufactured by Bae Systems Land & Armaments L.p., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-412-2665 has 2 manufacturer part numbers on file: 12364817 (Bae Systems Land & Armaments L.p.), 12364817 (Amz Alabama Inc.).
Key specifications for 12364817: Second End Grooved Flat Length: 0.7600 INCHES NOMINAL IN; Surface Finish: 125.0 MICROINCHES; First End Diameter: 0.9990 INCHES NOMINAL IN; Second End Distance From End to Flat: 0.240 INCHES NOMINAL IN. 17 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.