The Shaft,shouldered, cataloged under National Stock Number 3040-01-248-0529, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Timken Gears & Services Inc. Div Philadelphia Gear. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3040-01-248-0529 |
| Primary Part Number | DGR421K0001 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Timken Gears & Services Inc. Div Philadelphia Gear |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES |
| First End Diameter | 1.1245 INCHES MINIMUM AND 1.1250 INCHES MAXIMUM IN |
| First End Style | FLAT KEYWAY |
| Material Document and Classification | MIL-B-16166,ALLOY 630 MIL SPEC SINGLE MATERIAL RESPONSE |
| First End Keyway Depth | 0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| End Similarity | NOT IDENTICAL |
| Material | COPPER ALLOY |
| Reference Number Differentiating Characteristics | MAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION |
| External Keyway Length | 1.810 INCHES NOMINAL FIRST END IN |
| First End Keyway Width | 0.2500 INCHES MINIMUM AND 0.2520 INCHES MAXIMUM 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 |
|---|---|
| DGR421K0001 | Timken Gears & Services Inc. Div Philadelphia Gear (USA) |
| DGR421K0001VM | Naval Inventory Control Point Mechanicsburg (USA) |
| DGR4350B PT96 | Naval Inventory Control Point Mechanicsburg (USA) |
| DGR4350C PT96VM | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| DGR421K | C/1 Advisory reference — outside the item-of-supply concept Siemens Energy, Inc. |
| DGR4350B PT96 | 5/1 Secondary reference Siemens Energy, Inc. |
| DGR4350C PT96 | 5/1 Secondary reference Siemens Energy, Inc. |
| DGR421K0001 | 3/1 Design control — primary reference Siemens Energy, Inc. |
NSN 3040-01-248-0529 is a Shaft,shouldered, manufactured by Timken Gears & Services Inc. Div Philadelphia Gear, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-248-0529 has 4 manufacturer part numbers on file: DGR421K0001 (Timken Gears & Services Inc. Div Philadelphia Gear), DGR421K0001VM (Naval Inventory Control Point Mechanicsburg), DGR4350B PT96 (Naval Inventory Control Point Mechanicsburg), DGR4350C PT96VM (Naval Inventory Control Point Mechanicsburg).
Key specifications for DGR421K0001: Surface Finish: 32.0 MICROINCHES; First End Diameter: 1.1245 INCHES MINIMUM AND 1.1250 INCHES MAXIMUM IN; First End Style: FLAT KEYWAY; Material Document and Classification: MIL-B-16166,ALLOY 630 MIL SPEC SINGLE MATERIAL RESPONSE. 10 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.