The Shaft,shouldered, cataloged under National Stock Number 3040-01-171-0099, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-171-0099 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Second End External Thread Length | 1.250 INCHES NOMINAL IN |
| Step Quantity | 4 |
| First End Diameter | 0.7470 INCHES MINIMUM AND 0.7490 INCHES MAXIMUM IN |
| First End Distance From Keyway Center to End | 1.620 INCHES NOMINAL IN |
| Second End Diameter | 0.8750 INCHES NOMINAL IN |
| Largest Step Diameter | 1.750 INCHES NOMINAL IN |
| First End External Thread Length | 1.120 INCHES NOMINAL IN |
| Second End Distance From Keyway Center to End | 2.060 INCHES NOMINAL IN |
| First End Style | EXTERNALLY THREADED AND WOODRUFF KEYWAY |
| Second End Keyway Width | 0.2487 INCHES MINIMUM AND 0.2505 INCHES MAXIMUM IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | EXTERNALLY THREADED AND WOODRUFF KEYWAY |
| Material | STEEL COMP 1018 |
| External Keyway Length | 0.875 INCHES MINIMUM AND 0.906 INCHES MAXIMUM FIRST END IN |
| External Keyway Length | 1.000 INCHES MINIMUM AND 1.020 INCHES MAXIMUM SECOND END IN |
| First End Keyway Width | 0.1862 INCHES MINIMUM AND 0.1880 INCHES MAXIMUM 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 |
|---|---|
| 13211E8982 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-01-171-0099 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-171-0099: Second End External Thread Length: 1.250 INCHES NOMINAL IN; Step Quantity: 4; First End Diameter: 0.7470 INCHES MINIMUM AND 0.7490 INCHES MAXIMUM IN; First End Distance From Keyway Center to End: 1.620 INCHES NOMINAL IN. 16 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.