The Shaft,shouldered, cataloged under National Stock Number 3040-00-073-0185, 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 18 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 | 3040-00-073-0185 |
| Primary Part Number | 8432933 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES |
| Step Quantity | 3 |
| First End Diameter | 0.6240 INCHES NOMINAL IN |
| First End Distance From Keyway Center to End | 1.750 INCHES NOMINAL IN |
| Second End Diameter | 0.4990 INCHES NOMINAL IN |
| Largest Step Diameter | 1.000 INCHES NOMINAL IN |
| First End External Thread Length | 0.750 INCHES NOMINAL IN |
| Second End Angle Between Keyways | 180.0 DEGREES NOMINAL |
| First End Style | EXTERNALLY THREADED AND WOODRUFF KEYWAY |
| Second End Keyway Width | 0.0950 INCHES NOMINAL IN |
| Material Document and Classification | MIL-S-11415 MIL SPEC ALL MATERIAL RESPONSES |
| Second End Keyway Depth | 0.054 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | TWO FLAT KEYWAYS |
| Material | STEEL |
| External Keyway Length | 0.750 INCHES NOMINAL SECOND END IN |
| External Keyway Length | 0.635 INCHES NOMINAL FIRST END IN |
| First End Keyway Width | 0.1250 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 |
|---|---|
| 8432933 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
NSN 3040-00-073-0185 is a Shaft,shouldered, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-073-0185 has 1 manufacturer part number on file: 8432933 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 8432933: Surface Finish: 32.0 MICROINCHES; Step Quantity: 3; First End Diameter: 0.6240 INCHES NOMINAL IN; First End Distance From Keyway Center to End: 1.750 INCHES NOMINAL IN. 18 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.