The Shaft,shouldered, cataloged under National Stock Number 3040-01-186-1381, 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11 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-186-1381 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| First End Bearing Seat Diameter | 0.1247 INCHES NOMINAL IN |
| FSC Application Data | DETECTING-RANGING SET AN/AAS-38 |
| First End Bearing Seat Length | 0.929 INCHES MINIMUM AND 0.933 INCHES MAXIMUM IN |
| Step Quantity | 3 |
| First End Diameter | 0.0932 INCHES MINIMUM AND 0.0934 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.125 INCHES NOMINAL IN |
| First End Style | BEARING SEAT |
| Material Document and Classification | MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE |
| First End Distance From Bearing Seat to End | 0.150 INCHES NOMINAL IN |
| End Similarity | IDENTICAL |
| Material | STEEL COMP 303 |
| 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 |
|---|---|
| 3081120-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-01-186-1381 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-186-1381: First End Bearing Seat Diameter: 0.1247 INCHES NOMINAL IN; FSC Application Data: DETECTING-RANGING SET AN/AAS-38; First End Bearing Seat Length: 0.929 INCHES MINIMUM AND 0.933 INCHES MAXIMUM IN; Step Quantity: 3. 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.
NSN 3040-01-186-1381 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.