The Tach Drive Spline, cataloged under National Stock Number 3040-01-555-0197, 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. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-555-0197 |
| Primary Part Number | 0038G4184-1 |
| Item Name | Tach Drive Spline |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Timken Gears & Services Inc. Div Philadelphia Gear |
| Status | ACTIVE |
| 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 |
|---|---|
| 0038G4184-1 PRIMARY | Timken Gears & Services Inc. Div Philadelphia Gear (USA) |
| 00122E1419G-1 ITEM SEQ.4 | General Electric Company (USA) |
| 00122E1420G-1 ITEM SEQ 4 | Timken Gears & Services Inc. Div Philadelphia Gear (USA) |
| Reference | Meaning |
|---|---|
| 00122E1420G-1 ITEM SEQ 4 | 5/9 Secondary reference General Electric Company |
| 0038G4184-1 | 5/9 Secondary reference General Electric Company |
NSN 3040-01-555-0197 is a Tach Drive Spline, manufactured by Timken Gears & Services Inc. Div Philadelphia Gear, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-555-0197 has 3 manufacturer part numbers on file: 0038G4184-1 (Timken Gears & Services Inc. Div Philadelphia Gear), 00122E1419G-1 ITEM SEQ.4 (General Electric Company), 00122E1420G-1 ITEM SEQ 4 (Timken Gears & Services Inc. Div Philadelphia Gear).
Key specifications for 0038G4184-1: End Item Identification: REDUCTION GEAR 112E1102G-1; MN REDSTBD122E103G-1. 0 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.