The Gearshaft,helical, cataloged under National Stock Number 3040-00-385-9488, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Siemens Energy, Inc.. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 41 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-385-9488 |
| Primary Part Number | G7689PC72 |
| Item Name | Gearshaft,helical |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Siemens Energy, Inc. |
| Status | ACTIVE |
| Shaft Material | COPPER ALLOY |
| Helix Angle | 45.0000 DEGREES |
| Teeth Quantity | 18 |
| Tooth Direction | RIGHT |
| Diametral Pitch | 9 |
| Teeth Type | SINGLE HELIX |
| Gear Outside Diameter | 2.212 INCHES NOMINAL IN |
| Gear Material | COPPER ALLOY |
| Face Width | 1.248 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 |
|---|---|
| G7689PC72 | Siemens Energy, Inc. (USA) |
| G6721PC84 | Siemens Energy, Inc. (USA) |
| G6701PC72 | Siemens Energy, Inc. (USA) |
| G6752PC84 | Siemens Energy, Inc. (USA) |
| G7662PC82 | Siemens Energy, Inc. (USA) |
| G9724PC84 | Circor Pumps North America Llc (USA) |
| G6760PC72 | Siemens Energy, Inc. (USA) |
| G5957PC84 | Siemens Energy, Inc. (USA) |
| G7657PC82 | Siemens Energy, Inc. (USA) |
| G6676PC84 | Siemens Energy, Inc. (USA) |
| G7988PC84 | Siemens Energy, Inc. (USA) |
| G7635PC72 | Siemens Energy, Inc. (USA) |
| G7769PC84 | Siemens Energy, Inc. (USA) |
| G6710PC72 | Siemens Energy, Inc. (USA) |
| G6628PC84 | Siemens Energy, Inc. (USA) |
| G9667PC84 | Siemens Energy, Inc. (USA) |
| G5949PC72 | Siemens Energy, Inc. (USA) |
| G7933PC84 | Siemens Energy, Inc. (USA) |
| G6634PC84 | Siemens Energy, Inc. (USA) |
| G6647PC84 | Siemens Energy, Inc. (USA) |
| Reference | Meaning |
|---|---|
| G9718PC84 | 5/9 Secondary reference Siemens Energy, Inc. |
| G9661PC84 | 5/9 Secondary reference Imo Industries Inc Delroyd Worm Gear Div |
| G9661PC84 | 5/9 Secondary reference Siemens Energy, Inc. |
| G9724PC84 | 5/9 Secondary reference Siemens Energy, Inc. |
| G7983PC84 | 5/9 Secondary reference Imo Industries Inc Delroyd Worm Gear Div |
| G9718PC84 | 5/9 Secondary reference Imo Industries Inc Delroyd Worm Gear Div |
| W98AS | 5/9 Secondary reference Siemens Energy, Inc. |
| W98AS | 3/9 Design control — primary reference Imo Industries Inc Delroyd Worm Gear Div |
| G7983PC84 | 5/9 Secondary reference Siemens Energy, Inc. |
NSN 3040-00-385-9488 is a Gearshaft,helical, manufactured by Siemens Energy, Inc., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-385-9488 has 41 manufacturer part numbers on file: G7689PC72 (Siemens Energy, Inc.), G6721PC84 (Siemens Energy, Inc.), G6701PC72 (Siemens Energy, Inc.), G6752PC84 (Siemens Energy, Inc.), G7662PC82 (Siemens Energy, Inc.) and 36 more.
Key specifications for G7689PC72: Shaft Material: COPPER ALLOY; Helix Angle: 45.0000 DEGREES; Teeth Quantity: 18; Tooth Direction: RIGHT. 9 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.