The Adapter,spline, cataloged under National Stock Number 3040-01-113-0288, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is The Boeing Company. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-113-0288 |
| Primary Part Number | 145D3409-2 |
| Item Name | Adapter,spline |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Spline Minor Diameter | 2.250 INCHES MINIMUM AND 2.255 INCHES MAXIMUM IN |
| Spline Type | INTERNAL |
| Teeth Quantity | 37 |
| Material Document and Classification | BMS7-249 MFR REF SINGLE MATERIAL RESPONSE |
| Spline Major Diameter | 2.425 INCHES MINIMUM AND 2.436 INCHES MAXIMUM IN |
| Material | STEEL CORROSION RESISTING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 145D3409-2 PRIMARY | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| 145D3409-2 | 5/9 Secondary reference Heligear Acquisition Co. Dba Northstar Aerospace, Inc. |
NSN 3040-01-113-0288 is a Adapter,spline, manufactured by The Boeing Company, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-113-0288 has 1 manufacturer part number on file: 145D3409-2 (The Boeing Company).
Key specifications for 145D3409-2: Spline Minor Diameter: 2.250 INCHES MINIMUM AND 2.255 INCHES MAXIMUM IN; Spline Type: INTERNAL; Teeth Quantity: 37; Material Document and Classification: BMS7-249 MFR REF SINGLE MATERIAL RESPONSE. 6 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.
NSN 3040-01-113-0288 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.