The Gearshaft,spur, cataloged under National Stock Number 3040-01-014-7557, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Aero International, Llc Dba Ams Engineered Solutions. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-014-7557 |
| Primary Part Number | 645-0018-001 |
| Item Name | Gearshaft,spur |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Aero International, Llc Dba Ams Engineered Solutions |
| Status | ACTIVE |
| Shaft Material | STEEL |
| Teeth Quantity | 30 |
| Gear Outside Diameter | 2.500 INCHES NOMINAL IN |
| Pressure Angle | 20.0000 DEGREES |
| 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 |
|---|---|
| 645-0018-001 | Aero International, Llc Dba Ams Engineered Solutions (USA) |
| Reference | Meaning |
|---|---|
| 645-0018-001 | 3/2 Design control — primary reference U.S. Government activity |
| P22-34 | 5/9 Secondary reference U.S. Government activity |
NSN 3040-01-014-7557 is a Gearshaft,spur, manufactured by Aero International, Llc Dba Ams Engineered Solutions, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-014-7557 has 1 manufacturer part number on file: 645-0018-001 (Aero International, Llc Dba Ams Engineered Solutions).
Key specifications for 645-0018-001: Shaft Material: STEEL; Teeth Quantity: 30; Gear Outside Diameter: 2.500 INCHES NOMINAL IN; Overall Length: 1.542 INCHES NOMINAL IN. 4 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.