The Shaft,shouldered, cataloged under National Stock Number 3040-01-085-1541, 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 8 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 | 3040-01-085-1541 |
| Primary Part Number | 7551245 |
| 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 |
| Step Quantity | 6 |
| First End Diameter | 1.4990 INCHES NOMINAL IN |
| First End Style | FLAT KEYWAYS AND INTERNALLY THREADED |
| Material Document and Classification | QQ-S-635 FED SPEC SINGLE MATERIAL RESPONSE |
| End Similarity | IDENTICAL |
| Material | STEEL |
| External Keyway Length | 3.6200 INCHES NOMINAL FIRST END IN |
| First End Keyway Width | 0.3750 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 |
|---|---|
| 7551245 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
NSN 3040-01-085-1541 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 3040-01-085-1541 has 1 manufacturer part number on file: 7551245 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 7551245: Step Quantity: 6; First End Diameter: 1.4990 INCHES NOMINAL IN; First End Style: FLAT KEYWAYS AND INTERNALLY THREADED; Material Document and Classification: QQ-S-635 FED SPEC SINGLE MATERIAL RESPONSE. 8 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.