The Gearshaft,spur, cataloged under National Stock Number 3040-01-184-6718, 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 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-184-6718 |
| Primary Part Number | 7-217221309-3 |
| Item Name | Gearshaft,spur |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Shaft Type | STRAIGHT |
| Shaft Material | STEEL |
| Shaft End Size | 0.187 INCHES IN |
| Shaft Diameter | 0.187 INCHES NOMINAL IN |
| Teeth Quantity | 12 |
| Diametral Pitch | 48 |
| Gear Outside Diameter | 0.292 INCHES NOMINAL IN |
| Gear Material | STEEL |
| Shaft End Type | SLOTTED |
| Gear Location on Shaft | MIDPOINT BETWEEN ENDS OF SHAFT |
| Pressure Angle | 20.0000 DEGREES |
| Face Width | 0.125 INCHES NOMINAL IN |
| 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 |
|---|---|
| 7-217221309-3 PRIMARY | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| 7-217221309-3 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
NSN 3040-01-184-6718 is a Gearshaft,spur, manufactured by The Boeing Company, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-184-6718 has 1 manufacturer part number on file: 7-217221309-3 (The Boeing Company).
Key specifications for 7-217221309-3: Shaft Type: STRAIGHT; Shaft Material: STEEL; Shaft End Size: 0.187 INCHES IN; Shaft Diameter: 0.187 INCHES NOMINAL IN. 12 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 3040-01-184-6718 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.