The Shaft,shouldered, cataloged under National Stock Number 3040-01-149-0241, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Stinar, Llc. Government technical data includes 14 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 | 3040-01-149-0241 |
| Primary Part Number | 7778-30 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Stinar, Llc |
| Status | ACTIVE |
| Second End Angle Between Holes | 90.0 DEGREES NOMINAL |
| Second End Hole Diameter | 0.1250 INCHES NOMINAL IN |
| Second End Hole Diameter | 0.3750 INCHES NOMINAL IN |
| Step Quantity | 3 |
| First End Diameter | 0.6250 INCHES NOMINAL IN |
| Second End Diameter | 0.7500 INCHES NOMINAL IN |
| Largest Step Diameter | 0.750 INCHES NOMINAL IN |
| First End Style | CROSS DRILLED HOLE AND SLOTTED |
| Second End Distance From Hole Center to End | 0.500 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| First End Hole Diameter | 0.1250 INCHES NOMINAL IN |
| Second End Style | TWO CROSS DRILLED HOLES |
| Material | STEEL |
| First End Distance From Hole Center to End | 1.000 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 |
|---|---|
| 7778-30 PRIMARY | Stinar, Llc (USA) |
NSN 3040-01-149-0241 is a Shaft,shouldered, manufactured by Stinar, Llc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-149-0241 has 1 manufacturer part number on file: 7778-30 (Stinar, Llc).
Key specifications for 7778-30: Second End Angle Between Holes: 90.0 DEGREES NOMINAL; Second End Hole Diameter: 0.1250 INCHES NOMINAL IN; Second End Hole Diameter: 0.3750 INCHES NOMINAL IN; Step Quantity: 3. 14 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.