The Shaft,straight, cataloged under National Stock Number 3040-01-488-7648, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3040-01-488-7648 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| First End Diameter | 2.0000 INCHES NOMINAL IN |
| First End Style | CIRCULAR GROOVED AND INTERNALLY THREADED |
| First End Internal Thread Length | 0.7500 INCHES NOMINAL IN |
| Material Document and Classification | ASTM A322 GR 4340 ASSN STD SINGLE MATERIAL RESPONSE |
| End Similarity | IDENTICAL |
| First End Distance From End to Groove | 0.4070 INCHES NOMINAL IN |
| First End Groove Diameter | 1.8840 INCHES NOMINAL IN |
| Material | STEEL |
| First End Groove Width | 0.0680 INCHES NOMINAL IN |
| 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 |
|---|---|
| 4D10688-001 | 3/2 Design control — primary reference U.S. Government activity |
| 4D10688 | D/9 Drawing number reference only U.S. Government activity |
| 6511E89FN7 | 5/2 Secondary reference U.S. Government activity |
| 6511E89 | D/9 Drawing number reference only U.S. Government activity |
NSN 3040-01-488-7648 is a Shaft,straight, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-488-7648: First End Diameter: 2.0000 INCHES NOMINAL IN; First End Style: CIRCULAR GROOVED AND INTERNALLY THREADED; First End Internal Thread Length: 0.7500 INCHES NOMINAL IN; Material Document and Classification: ASTM A322 GR 4340 ASSN STD SINGLE MATERIAL RESPONSE. 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.