The Shaft,straight, cataloged under National Stock Number 3040-00-250-1114, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-250-1114 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| First End Diameter | 0.4500 INCHES NOMINAL IN |
| Second End Diameter | 0.4980 INCHES NOMINAL IN |
| First End Style | CIRCULAR GROOVED AND FLAT KEYWAY |
| Second End Keyway Width | 0.1240 INCHES NOMINAL IN |
| Material Document and Classification | MIL-S-8590 MIL SPEC SINGLE MATERIAL RESPONSE |
| Second End Groove Diameter | 0.3100 INCHES NOMINAL IN |
| First End Keyway Depth | 0.375 INCHES NOMINAL IN |
| Second End Keyway Depth | 0.375 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| First End Distance From End to Groove | 0.280 INCHES NOMINAL IN |
| Second End Groove Width | 0.2490 INCHES NOMINAL IN |
| Second End Distance From End to Groove | 0.430 INCHES NOMINAL IN |
| First End Groove Diameter | 0.3100 INCHES NOMINAL IN |
| Second End Style | CIRCULAR GROOVED AND FLAT KEYWAY |
| Material | STEEL COMP 8620 |
| First End Groove Width | 0.1600 INCHES NOMINAL IN |
| External Keyway Length | 0.045 INCHES NOMINAL FIRST END IN |
| External Keyway Length | 0.045 INCHES NOMINAL SECOND END IN |
| First End Keyway Width | 0.1240 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| GB3655 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-00-250-1114 is a Shaft,straight, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-00-250-1114: First End Diameter: 0.4500 INCHES NOMINAL IN; Second End Diameter: 0.4980 INCHES NOMINAL IN; First End Style: CIRCULAR GROOVED AND FLAT KEYWAY; Second End Keyway Width: 0.1240 INCHES NOMINAL IN. 19 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 3040-00-250-1114 has DEMIL Code Q. 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.