The Shaft,shouldered, cataloged under National Stock Number 3040-00-987-3501, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-00-987-3501 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Step Quantity | 7 |
| First End Diameter | 0.1850 INCHES MINIMUM AND 0.1860 INCHES MAXIMUM IN |
| Second End Diameter | 0.1230 INCHES MINIMUM AND 0.1240 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.344 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Second End Groove Diameter | 0.1160 INCHES MINIMUM AND 0.1190 INCHES MAXIMUM IN |
| End Similarity | NOT IDENTICAL |
| Second End Groove Width | 0.0150 INCHES MINIMUM AND 0.0170 INCHES MAXIMUM IN |
| Second End Distance From End to Groove | 0.016 INCHES NOMINAL IN |
| Second End Style | CIRCULAR GROOVED |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 553-1812-003 | 3/9 Design control — primary reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
NSN 3040-00-987-3501 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-00-987-3501: Step Quantity: 7; First End Diameter: 0.1850 INCHES MINIMUM AND 0.1860 INCHES MAXIMUM IN; Second End Diameter: 0.1230 INCHES MINIMUM AND 0.1240 INCHES MAXIMUM IN; Largest Step Diameter: 0.344 INCHES NOMINAL IN. 11 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.