The Shaft,straight, cataloged under National Stock Number 3040-00-409-8931, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-00-409-8931 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| First End Diameter | 0.9980 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN |
| First End Distance From Keyway Center to End | 3.187 INCHES NOMINAL IN |
| First End Style | INDENTED FLAT KEYWAY |
| Material Document and Classification | FED STD NO. 66 FED STD SINGLE MATERIAL RESPONSE |
| First End Keyway Depth | 0.140 INCHES NOMINAL IN |
| End Similarity | IDENTICAL |
| Material | STEEL COMP 1018 |
| External Keyway Length | 2.000 INCHES NOMINAL FIRST END IN |
| First End Keyway Width | 0.2500 INCHES MINIMUM AND 0.2510 INCHES MAXIMUM 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 |
|---|---|
| 246000273 | 3/9 Design control — primary reference Bomag Usa Sub of United Dominion Industries Ltd |
NSN 3040-00-409-8931 is a Shaft,straight, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-00-409-8931: First End Diameter: 0.9980 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN; First End Distance From Keyway Center to End: 3.187 INCHES NOMINAL IN; First End Style: INDENTED FLAT KEYWAY; Material Document and Classification: FED STD NO. 66 FED STD SINGLE MATERIAL RESPONSE. 9 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.