The Shaft,shouldered, cataloged under National Stock Number 3040-00-404-0456, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems. Government technical data includes 17 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 | 3040-00-404-0456 |
| Primary Part Number | 101D4344-2 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES |
| FSC Application Data | DRIVE UNIT,GUN |
| Step Quantity | 3 |
| First End Diameter | 0.9000 INCHES NOMINAL IN |
| Second End Diameter | 0.6310 INCHES NOMINAL IN |
| Largest Step Diameter | 1.125 INCHES NOMINAL IN |
| Second End Spline Minor Diameter | 0.5260 INCHES NOMINAL IN |
| First End External Thread Length | 0.625 INCHES NOMINAL IN |
| First End Style | EXTERNAL THREADED |
| Second End Spline Major Diameter | 0.6310 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Spline Quantity | 12 |
| Second End Pressure Angle | 30.0 DEGREES NOMINAL |
| Second End Style | SPLINED (INVOLUTE) |
| Material | STEEL |
| Second End Pitch Diameter | 0.7188 INCHES NOMINAL IN |
| Second End Spline Length | 1.1700 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 |
|---|---|
| 101D4344-2 PRIMARY | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems (USA) |
NSN 3040-00-404-0456 is a Shaft,shouldered, manufactured by General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-404-0456 has 1 manufacturer part number on file: 101D4344-2 (General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems).
Key specifications for 101D4344-2: Surface Finish: 125.0 MICROINCHES; FSC Application Data: DRIVE UNIT,GUN; Step Quantity: 3; First End Diameter: 0.9000 INCHES NOMINAL IN. 17 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.