The Shaft,shouldered, cataloged under National Stock Number 3040-00-557-2448, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-557-2448 |
| Primary Part Number | 5572448 |
| 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 | 4 |
| First End Diameter | 2.8740 INCHES NOMINAL IN |
| Second End Diameter | 3.7490 INCHES NOMINAL IN |
| Largest Step Diameter | 3.749 INCHES NOMINAL IN |
| First End Style | INTERNAL THREADED |
| First End Internal Thread Length | 1.625 INCHES NOMINAL IN |
| Material Document and Classification | ASTM-A331 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM-A322 ASSN STD SINGLE MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| Second End Style | INTERNAL THREADED |
| Material | STEEL COMP 4140 OR STEEL COMP 4142 OR STEEL COMP 4145 |
| Second End Internal Thread Length | 1.625 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 |
|---|---|
| 5572448 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
| Reference | Meaning |
|---|---|
| 1015005572448 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 3040-00-557-2448 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 3040-00-557-2448 has 1 manufacturer part number on file: 5572448 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 5572448: Step Quantity: 4; First End Diameter: 2.8740 INCHES NOMINAL IN; Second End Diameter: 3.7490 INCHES NOMINAL IN; Largest Step Diameter: 3.749 INCHES NOMINAL 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.