The Shaft,shouldered, cataloged under National Stock Number 3040-01-342-8698, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-342-8698 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Second End Angle Between Holes | 90.0 DEGREES NOMINAL |
| Second End Hole Diameter | 0.0780 INCHES MINIMUM AND 0.0790 INCHES MAXIMUM IN |
| Step Quantity | 4 |
| First End Diameter | 0.1195 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM IN |
| Second End Diameter | 0.1850 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.312 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Material Document and Classification | QQ-A-225/6 MIL SPEC SINGLE MATERIAL RESPONSE |
| Second End Distance From Hole Center to End | 0.2150 INCHES MINIMUM AND 0.2210 INCHES MAXIMUM IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | TWO CROSS DRILLED HOLES |
| Material | ALUMINUM |
| 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 |
|---|---|
| 204771 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-01-342-8698 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 6130-01-425-3668, 5895-01-600-9952. Verify interchangeability with system specifications before substitution.
Key specifications for 3040-01-342-8698: Second End Angle Between Holes: 90.0 DEGREES NOMINAL; Second End Hole Diameter: 0.0780 INCHES MINIMUM AND 0.0790 INCHES MAXIMUM IN; Step Quantity: 4; First End Diameter: 0.1195 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM IN. 12 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.