The Adapter,spline, cataloged under National Stock Number 3040-01-412-7610, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Adapter,spline |
| FSC / FSG | 3040 — Miscellaneous Power Transmission Equipment (FSG 30) |
| Manufacturers | The Boeing Company (CAGE 77272); Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division (CAGE 17472) |
| Parameter | Value |
|---|---|
| NSN | 3040-01-412-7610 |
| Primary Part Number | 118041-7 |
| Item Name | Adapter,spline |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division |
| 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 |
|---|---|
| A15PS257-7 | The Boeing Company (USA) |
| 118041-7 PRIMARY | Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division (USA) |
| Reference | Meaning |
|---|---|
| 118041-7 | 5/9 Secondary reference U.S. Government activity |
| 118041 | D/9 Drawing number reference only U.S. Government activity |
| A15PS257 | D/9 Drawing number reference only The Boeing Company |
NSN 3040-01-412-7610 is a Adapter,spline, manufactured by Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-412-7610 has 2 manufacturer part numbers on file: A15PS257-7 (The Boeing Company), 118041-7 (Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division).
2 possible matches (shared part number, not a government interchangeability claim): 3040-01-412-7611, 6640-01-528-9086. Verify interchangeability with system specifications before substitution.
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.