The Shaft,straight, cataloged under National Stock Number 3040-00-124-7472, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Army, United States Department of the Dba Rock Island Arsenal Jmtc. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-124-7472 |
| Primary Part Number | 8438163-2 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES |
| Second End Hole Diameter | 0.1250 INCHES MINIMUM AND 0.1300 INCHES MAXIMUM IN |
| First End Diameter | 0.3600 INCHES MINIMUM AND 0.3800 INCHES MAXIMUM IN |
| First End Spline Major Diameter | 0.3730 INCHES MINIMUM AND 0.3740 INCHES MAXIMUM IN |
| Second End Diameter | 0.3730 INCHES MINIMUM AND 0.3740 INCHES MAXIMUM IN |
| First End Style | SPLINED (STRAIGHT) |
| Material Document and Classification | QQ-S-764,COLD ROLLED,TYPE 416 FED SPEC SINGLE MATERIAL RESPONSE |
| Second End Distance From Hole Center to End | 0.360 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN |
| First End Spline Length | 1.000 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN |
| Second End Hole Depth | 0.373 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN |
| First End Spline Quantity | 11 |
| End Similarity | NOT IDENTICAL |
| Second End Style | UNTHREADED CROSS DRILLED |
| First End Spline Minor Diameter | 0.3430 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 8438163-2 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
NSN 3040-00-124-7472 is a Shaft,straight, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-124-7472 has 1 manufacturer part number on file: 8438163-2 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 8438163-2: Surface Finish: 125.0 MICROINCHES; Second End Hole Diameter: 0.1250 INCHES MINIMUM AND 0.1300 INCHES MAXIMUM IN; First End Diameter: 0.3600 INCHES MINIMUM AND 0.3800 INCHES MAXIMUM IN; First End Spline Major Diameter: 0.3730 INCHES MINIMUM AND 0.3740 INCHES MAXIMUM IN. 15 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.