The Gear Sector,spur, cataloged under National Stock Number 3020-00-757-7208, 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 Textron Aviation Inc. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-00-757-7208 |
| Primary Part Number | 4154316-2 |
| Item Name | Gear Sector,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Textron Aviation Inc |
| Status | ACTIVE |
| Backlash Designation | GRADE B |
| Teeth Quantity | 28 |
| Bore Style | PLAIN BOTH ENDS |
| Material Document and Classification | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Tooth Form | STANDARD |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 4154316-2 PRIMARY | Textron Aviation Inc (USA) |
| Reference | Meaning |
|---|---|
| 4154316-2 | 3/9 Design control — primary reference Cessna Aircraft Company Dba Textron Aviation |
NSN 3020-00-757-7208 is a Gear Sector,spur, manufactured by Textron Aviation Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-757-7208 has 1 manufacturer part number on file: 4154316-2 (Textron Aviation Inc).
Key specifications for 4154316-2: Backlash Designation: GRADE B; Teeth Quantity: 28; Bore Style: PLAIN BOTH ENDS; Material Document and Classification: MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 7 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.