The Gear,internal, cataloged under National Stock Number 3020-01-114-9716, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-114-9716 |
| Primary Part Number | 145D0105-2 |
| Item Name | Gear,internal |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Backlash Designation | GRADE A |
| Teeth Quantity | 106 |
| Body Style | PLAIN, WITH LIGHTENING HOLES |
| Tooth Direction | RIGHT |
| Teeth Type | SPUR |
| Style Designator | FLANGED RING |
| Pitch Diameter | 22.3158 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Surface Treatment | OXIDE OVERALL |
| Pressure Angle | 25.0000 DEGREES |
| Material | STEEL CORROSION RESISTING OVERALL |
| Attachment Method | MOUNTING HOLE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 145D0105-2 PRIMARY | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| 145D0105-2 | 7/2 Vendor item drawing reference U.S. Government activity |
| 145D0105-2 | 5/9 Secondary reference Heligear Acquisition Co. Dba Northstar Aerospace, Inc. |
NSN 3020-01-114-9716 is a Gear,internal, manufactured by The Boeing Company, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-114-9716 has 1 manufacturer part number on file: 145D0105-2 (The Boeing Company).
Key specifications for 145D0105-2: Backlash Designation: GRADE A; Teeth Quantity: 106; Body Style: PLAIN, WITH LIGHTENING HOLES; Tooth Direction: RIGHT. 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.
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.