The Shaft,shouldered, cataloged under National Stock Number 3040-01-170-5370, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Morris Material Handling, Inc.. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-170-5370 |
| Primary Part Number | 210N79D1F1 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Morris Material Handling, Inc. |
| Status | ACTIVE |
| Step Quantity | 10 |
| First End Diameter | 2.2500 INCHES NOMINAL IN |
| Second End Diameter | 2.9930 INCHES MINIMUM AND 3.0000 INCHES MAXIMUM IN |
| Largest Step Diameter | 3.375 INCHES NOMINAL IN |
| Second End Spline Minor Diameter | 2.6325 INCHES MINIMUM AND 2.6500 INCHES MAXIMUM IN |
| First End Style | INTERNAL THREADED |
| Second End Spline Major Diameter | 2.9930 INCHES MINIMUM AND 3.0000 INCHES MAXIMUM IN |
| First End Internal Thread Length | 0.875 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Spline Quantity | 23 |
| Second End Pressure Angle | 30.0 DEGREES NOMINAL |
| Second End Style | SPLINED (INVOLUTE) |
| Material | STEEL |
| Second End Pitch Diameter | 2.8750 INCHES NOMINAL IN |
| Second End Spline Length | 2.188 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 |
|---|---|
| 210N79D1 | Morris Material Handling, Inc. (USA) |
| 210N79D1F1 PRIMARY | Morris Material Handling, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 210N79D0 | D/9 Drawing number reference only Morris Material Handling, Inc. |
NSN 3040-01-170-5370 is a Shaft,shouldered, manufactured by Morris Material Handling, Inc., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-170-5370 has 2 manufacturer part numbers on file: 210N79D1 (Morris Material Handling, Inc.), 210N79D1F1 (Morris Material Handling, Inc.).
Key specifications for 210N79D1F1: Step Quantity: 10; First End Diameter: 2.2500 INCHES NOMINAL IN; Second End Diameter: 2.9930 INCHES MINIMUM AND 3.0000 INCHES MAXIMUM IN; Largest Step Diameter: 3.375 INCHES NOMINAL IN. 15 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.