The Shaft,shouldered, cataloged under National Stock Number 3040-01-252-2649, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is M Rosenblatt & Son Inc. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-252-2649 |
| Primary Part Number | 5210189 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | M Rosenblatt & Son Inc |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES |
| Step Quantity | 5 |
| First End Diameter | 4.0025 INCHES NOMINAL IN |
| Largest Step Diameter | 5.6285 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Material Document and Classification | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE |
| End Similarity | IDENTICAL |
| Material | STEEL COMP 4340 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3040-01-252-2649 is a Shaft,shouldered, manufactured by M Rosenblatt & Son Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-252-2649 has 2 manufacturer part numbers on file: 5210189 (Naval Sea Systems Command), 5210189 (M Rosenblatt & Son Inc).
Key specifications for 5210189: Surface Finish: 63.0 MICROINCHES; Step Quantity: 5; First End Diameter: 4.0025 INCHES NOMINAL IN; Largest Step Diameter: 5.6285 INCHES NOMINAL IN. 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.