The Shaft,shouldered, cataloged under National Stock Number 3040-00-705-8912, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Dressta North America Ltd. Government technical data includes 12 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-705-8912 |
| Primary Part Number | 305958R91 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Dressta North America Ltd |
| Status | ACTIVE |
| Step Quantity | 5 |
| First End Diameter | 1.8750 INCHES NOMINAL IN |
| First End Distance From Keyway Center to End | 0.980 INCHES NOMINAL IN |
| Second End Diameter | 1.8750 INCHES NOMINAL IN |
| Largest Step Diameter | 3.384 INCHES NOMINAL IN |
| First End Style | WOODRUFF KEYWAY |
| End Similarity | NOT IDENTICAL |
| Second End Style | INTERNAL THREADED |
| Material | STEEL |
| Second End Internal Thread Length | 1.000 INCHES NOMINAL IN |
| External Keyway Length | 1.500 INCHES NOMINAL FIRST END IN |
| First End Keyway Width | 0.3130 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 |
|---|---|
| 305958R91 PRIMARY | Dressta North America Ltd (USA) |
| 305958R92 PRIMARY | Dressta North America Ltd (USA) |
| Reference | Meaning |
|---|---|
| 305958R91 | 5/9 Secondary reference U.S. Government activity |
| 305958R92 | 5/9 Secondary reference U.S. Government activity |
| 305958R91 | 5/9 Secondary reference Navistar International Corporation Dba Navistar |
| 305958R92 | 5/9 Secondary reference Navistar International Corporation Dba Navistar |
NSN 3040-00-705-8912 is a Shaft,shouldered, manufactured by Dressta North America Ltd, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-705-8912 has 2 manufacturer part numbers on file: 305958R91 (Dressta North America Ltd), 305958R92 (Dressta North America Ltd).
Key specifications for 305958R91: Step Quantity: 5; First End Diameter: 1.8750 INCHES NOMINAL IN; First End Distance From Keyway Center to End: 0.980 INCHES NOMINAL IN; Second End Diameter: 1.8750 INCHES NOMINAL IN. 12 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.