The Shaft,shouldered, cataloged under National Stock Number 3040-01-026-9331, 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 11 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 | 3040-01-026-9331 |
| Primary Part Number | 8437275 |
| 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 | 125.0 MICROINCHES |
| Step Quantity | 4 |
| First End Diameter | 1.3740 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM IN |
| Second End Diameter | 1.3735 INCHES MINIMUM AND 1.3740 INCHES MAXIMUM IN |
| Largest Step Diameter | 1.500 INCHES MINIMUM AND 1.502 INCHES MAXIMUM IN |
| First End Style | PLAIN |
| Second End Groove Diameter | 1.2750 INCHES MINIMUM AND 1.2800 INCHES MAXIMUM IN |
| End Similarity | NOT IDENTICAL |
| Second End Groove Width | 0.5640 INCHES NOMINAL IN |
| Second End Distance From End to Groove | 0.233 INCHES NOMINAL IN |
| Second End Style | CIRCULAR GROOVED |
| 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 |
|---|---|
| 8437275 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
NSN 3040-01-026-9331 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 3040-01-026-9331 has 1 manufacturer part number on file: 8437275 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 8437275: Surface Finish: 125.0 MICROINCHES; Step Quantity: 4; First End Diameter: 1.3740 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM IN; Second End Diameter: 1.3735 INCHES MINIMUM AND 1.3740 INCHES MAXIMUM IN. 11 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.