The Shaft,straight, cataloged under National Stock Number 3040-01-120-8563, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-120-8563 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| First End Diameter | 0.9950 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN |
| First End Style | FLAT KEYWAY |
| First End Keyway Depth | 0.141 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN |
| End Similarity | IDENTICAL |
| Material | STEEL COMP 4140 |
| External Keyway Length | 1.375 INCHES NOMINAL FIRST END IN |
| First End Keyway Width | 0.2500 INCHES MINIMUM AND 0.2520 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 13211E3127 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-01-120-8563 is a Shaft,straight, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-120-8563: First End Diameter: 0.9950 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN; First End Style: FLAT KEYWAY; Overall Length: 16.500 INCHES NOMINAL IN; First End Keyway Depth: 0.141 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN. 7 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 3040-01-120-8563 has DEMIL Code B. 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.