The Adapter,spline, cataloged under National Stock Number 3040-01-479-1709, 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 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-479-1709 |
| Primary Part Number | 7-311B11134-5 |
| Item Name | Adapter,spline |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Spline Minor Diameter | 0.723 INCHES NOMINAL IN |
| Spline Type | EXTERNAL |
| Teeth Quantity | 16 |
| Spline Length | 1.250 INCHES NOMINAL IN |
| Spline Major Diameter | 0.733 INCHES NOMINAL IN |
| Material | PLASTIC |
| 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 |
|---|---|
| 1593588-11 | Honeywell International, Inc Div Aerospace-Tucson (USA) |
| 7-311B11134-5 PRIMARY | The Boeing Company (USA) |
| 1593588-11 | Hoosier, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 7-311B11134-5 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
NSN 3040-01-479-1709 is a Adapter,spline, manufactured by The Boeing Company, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-479-1709 has 3 manufacturer part numbers on file: 1593588-11 (Honeywell International, Inc Div Aerospace-Tucson), 7-311B11134-5 (The Boeing Company), 1593588-11 (Hoosier, Inc.).
Key specifications for 7-311B11134-5: Spline Minor Diameter: 0.723 INCHES NOMINAL IN; Spline Type: EXTERNAL; Teeth Quantity: 16; Spline Length: 1.250 INCHES NOMINAL IN. 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.
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.