The Gear-Slip Clutch,spur, cataloged under National Stock Number 3020-01-161-6626, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-161-6626 |
| Item Name | Gear-Slip Clutch,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Bore Nominal Diameter | 1.062 INCHES COUNTERBORE FIRST END IN |
| Teeth Quantity | 100 |
| Counterbore Nominal Diameter | 0.171 INCHES COUNTERBORE FIRST END IN |
| Bore Style | W/COUNTERBORE COUNTERBORE FIRST END |
| Mounting Hole Type and Quantity | 1 THREADED TRANSVERSELY THROUGH HUB SECOND END |
| Nominal Overall Length | 0.457 INCHES IN |
| Material Document and Classification | QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE HUB |
| Material Document and Classification | QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE CLAMP |
| Pitch Diameter | 1.0416 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Mounting Hole Nominal Thread Size | 0.312 INCHES TRANSVERSELY THROUGH HUB SECOND END IN |
| Nominal Outside Diameter | 1.0620 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL CORROSION RESISTING FIRST GEAR |
| Material | STEEL CORROSION RESISTING SECOND GEAR |
| Material | ALUMINUM ALLOY 2024 HUB |
| Material | ALUMINUM ALLOY 2024 CLAMP |
| Counterbore Nominal Depth | 0.025 INCHES COUNTERBORE FIRST END IN |
| Mounting Hole Thread Series Designator | UNF TRANSVERSELY THROUGH HUB SECOND END |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 0.093 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| SM-C-601050 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-01-161-6626 is a Gear-Slip Clutch,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-161-6626: Bore Nominal Diameter: 1.062 INCHES COUNTERBORE FIRST END IN; Teeth Quantity: 100; Counterbore Nominal Diameter: 0.171 INCHES COUNTERBORE FIRST END IN; Bore Style: W/COUNTERBORE COUNTERBORE FIRST END. 21 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.