The Shaft,straight, cataloged under National Stock Number 3040-01-237-6247, 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7 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-237-6247 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| First End Width Across Flats | 0.8090 INCHES MINIMUM AND 0.8100 INCHES MAXIMUM IN |
| First End Diameter | 0.9950 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN |
| First End Step Length | 4.5000 INCHES NOMINAL IN |
| First End Style | SQUARE (ROUND CORNERS) |
| Material Document and Classification | QQ-N-281,CLASS A CD FED SPEC SINGLE MATERIAL RESPONSE |
| End Similarity | IDENTICAL |
| Material | NICKEL ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| SSN637-709-2481703 PIECE 57 | 5/2 Secondary reference U.S. Government activity |
| 77832-60X28 | D/9 Drawing number reference only U.S. Government activity |
| SSN637-709-2481703 | D/9 Drawing number reference only U.S. Government activity |
| 77832-60X28 PIECE 57 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-01-237-6247 is a Shaft,straight, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-237-6247: First End Width Across Flats: 0.8090 INCHES MINIMUM AND 0.8100 INCHES MAXIMUM IN; First End Diameter: 0.9950 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN; First End Step Length: 4.5000 INCHES NOMINAL IN; First End Style: SQUARE (ROUND CORNERS). 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.
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.