The Shaft,shouldered, cataloged under National Stock Number 3040-01-291-5848, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Universal Vise and Tool Co. Government technical data includes 13 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 | 3040-01-291-5848 |
| Primary Part Number | QH-2 3B0183 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Universal Vise and Tool Co |
| Status | ACTIVE |
| First End Width Across Flats | 0.375 INCHES NOMINAL IN |
| Step Quantity | 6 |
| First End Diameter | 0.3500 INCHES NOMINAL IN |
| First End Step Length | 0.375 INCHES NOMINAL IN |
| Second End Diameter | 0.3740 INCHES NOMINAL IN |
| Largest Step Diameter | 0.498 INCHES NOMINAL IN |
| First End Style | SQUARE (ROUND CORNERS) |
| Second End Groove Diameter | 0.3500 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Groove Width | 0.0290 INCHES NOMINAL IN |
| Second End Distance From End to Groove | 0.642 INCHES NOMINAL IN |
| Second End Style | CIRCULAR GROOVED |
| Material | STEEL |
| 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 |
|---|---|
| QH-2 3B0183 PRIMARY | Universal Vise and Tool Co (USA) |
NSN 3040-01-291-5848 is a Shaft,shouldered, manufactured by Universal Vise and Tool Co, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-291-5848 has 1 manufacturer part number on file: QH-2 3B0183 (Universal Vise and Tool Co).
Key specifications for QH-2 3B0183: First End Width Across Flats: 0.375 INCHES NOMINAL IN; Step Quantity: 6; First End Diameter: 0.3500 INCHES NOMINAL IN; First End Step Length: 0.375 INCHES NOMINAL IN. 13 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.