The Shaft,straight, cataloged under National Stock Number 3040-00-993-5982, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-993-5982 |
| Primary Part Number | 2042143-3 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES |
| First End Diameter | 0.1873 INCHES NOMINAL IN |
| Second End Diameter | 0.1873 INCHES NOMINAL IN |
| Second End Spline Minor Diameter | 0.1625 INCHES NOMINAL IN |
| First End Style | CIRCULAR GROOVED |
| Second End Spline Major Diameter | 0.1875 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-753,COND A FED SPEC SINGLE MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| First End Distance From End to Groove | 0.379 INCHES NOMINAL IN |
| Second End Spline Quantity | 14 |
| Second End Pressure Angle | 45.0 DEGREES NOMINAL |
| First End Groove Diameter | 0.1500 INCHES NOMINAL IN |
| Second End Style | SPLINED (INVOLUTE) |
| Material | STEEL COMP 416 |
| Second End Pitch Diameter | 0.1750 INCHES NOMINAL IN |
| First End Groove Width | 0.0350 INCHES NOMINAL IN |
| Second End Spline Length | 0.253 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 |
| Part Number | Manufacturer |
|---|---|
| 2042143-3 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| L340005063 | Lockheed Martin Librascope Corporation (USA) |
NSN 3040-00-993-5982 is a Shaft,straight, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-993-5982 has 2 manufacturer part numbers on file: 2042143-3 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), L340005063 (Lockheed Martin Librascope Corporation).
Key specifications for 2042143-3: Surface Finish: 32.0 MICROINCHES; First End Diameter: 0.1873 INCHES NOMINAL IN; Second End Diameter: 0.1873 INCHES NOMINAL IN; Second End Spline Minor Diameter: 0.1625 INCHES NOMINAL IN. 17 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.