The Shaft,shouldered, cataloged under National Stock Number 3040-01-145-6700, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-145-6700 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES |
| Step Quantity | 2 |
| First End Diameter | 0.7480 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN |
| First End Distance From Keyway Center to End | 0.688 INCHES NOMINAL IN |
| Second End Diameter | 1.0000 INCHES NOMINAL IN |
| Largest Step Diameter | 1.000 INCHES NOMINAL IN |
| Second End Angle Between Keyways | 180.0 DEGREES NOMINAL |
| Second End Distance From Keyway Center to End | 0.595 INCHES NOMINAL IN |
| First End Style | INDENTED FLAT KEYWAY |
| Second End Keyway Width | 0.1580 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-763 CL 304 COND B FED SPEC SINGLE MATERIAL RESPONSE |
| First End Keyway Depth | 0.112 INCHES NOMINAL IN |
| Second End Keyway Depth | 0.078 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | TWO INDENTED FLAT KEYWAYS |
| Material | STEEL COMP 304 |
| External Keyway Length | 0.875 INCHES NOMINAL SECOND END IN |
| External Keyway Length | 1.057 INCHES NOMINAL FIRST END IN |
| First End Keyway Width | 0.1890 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 |
|---|---|
| 87832-1662 ITEM 3 | 3/2 Design control — primary reference U.S. Government activity |
| 87832-1662 | D/9 Drawing number reference only U.S. Government activity |
| 709-4863094 | D/9 Drawing number reference only U.S. Government activity |
| 709-4863094 ITE | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 709-4863094 ITEM3 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-01-145-6700 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 3040-01-146-4886. Verify interchangeability with system specifications before substitution.
Key specifications for 3040-01-145-6700: Surface Finish: 63.0 MICROINCHES; Step Quantity: 2; First End Diameter: 0.7480 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN; First End Distance From Keyway Center to End: 0.688 INCHES NOMINAL IN. 19 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.