The Shaft,straight, cataloged under National Stock Number 3040-00-285-4341, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-00-285-4341 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES |
| First End Diameter | 0.1870 INCHES MINIMUM AND 0.1872 INCHES MAXIMUM IN |
| Second End Diameter | 0.1870 INCHES MINIMUM AND 0.1872 INCHES MAXIMUM IN |
| First End Style | PLAIN |
| Second End Groove Diameter | 0.1630 INCHES MINIMUM AND 0.1660 INCHES MAXIMUM IN |
| End Similarity | NOT IDENTICAL |
| Second End Groove Width | 0.0180 INCHES MINIMUM AND 0.0200 INCHES MAXIMUM IN |
| Second End Distance From End to Groove | 0.380 INCHES MINIMUM AND 0.382 INCHES MAXIMUM IN |
| Second End Style | CIRCULAR GROOVED |
| Material | STEEL COMP 303 |
| 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 |
|---|---|
| SM-B-502245 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-00-285-4341 is a Shaft,straight, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-00-285-4341: Surface Finish: 32.0 MICROINCHES; First End Diameter: 0.1870 INCHES MINIMUM AND 0.1872 INCHES MAXIMUM IN; Second End Diameter: 0.1870 INCHES MINIMUM AND 0.1872 INCHES MAXIMUM IN; First End Style: PLAIN. 10 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.