The Shaft,shouldered, cataloged under National Stock Number 3040-01-164-1205, 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11 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-164-1205 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Step Quantity | 16 |
| First End Diameter | 0.8745 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN |
| Largest Step Diameter | 2.250 INCHES NOMINAL IN |
| First End Style | FLAT KEYWAYS AND INTERNALLY THREADED |
| First End Internal Thread Length | 0.625 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE |
| First End Keyway Depth | 0.096 INCHES NOMINAL IN |
| End Similarity | IDENTICAL |
| Material | STEEL CORROSION RESISTING |
| External Keyway Length | 1.375 INCHES NOMINAL FIRST END IN |
| First End Keyway Width | 0.1880 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 |
|---|---|
| B-75646-A | 3/9 Design control — primary reference U.S. Government activity |
| D-86-942-68 PIECE 1 | 5/9 Secondary reference U.S. Government activity |
| X75646-A | 5/9 Secondary reference U.S. Government activity |
| X75646-A | 5/9 Secondary reference Urs Group, Inc. Dba Urs |
NSN 3040-01-164-1205 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-164-1205: Step Quantity: 16; First End Diameter: 0.8745 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN; Largest Step Diameter: 2.250 INCHES NOMINAL IN; First End Style: FLAT KEYWAYS AND INTERNALLY THREADED. 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.