The Gear,spur, cataloged under National Stock Number 3020-01-175-9510, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 25 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-01-175-9510 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.870 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 1.383 INCHES SECOND END IN |
| Teeth Quantity | 34 |
| Body Style | WEBBED, OFFSET, SOLID |
| Counterbore Nominal Diameter | 1.000 INCHES SECOND END IN |
| Bore Style | INVOLUTE SPLINE BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.370 INCHES SECOND END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.495 INCHES FIRST END IN |
| Nominal Overall Length | 1.123 INCHES IN |
| Style Designator | PROTRUDING HUBS |
| Material Document and Classification | AMS 6260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 3.0222 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | 1 GROOVE SECOND END |
| Hub Style Designator | PLAIN FIRST END |
| Spline Quantity | 17 BOTH ENDS |
| Nominal Outside Diameter | 3.200 INCHES IN |
| Nominal Distance From End to First Groove | 0.068 INCHES SECOND END IN |
| Pressure Angle | 25.0000 DEGREES |
| Material | STEEL COMP E9310 OVERALL |
| First Groove Nominal Diameter | 1.259 INCHES SECOND END IN |
| Counterbore Nominal Depth | 0.092 INCHES SECOND END IN |
| First Groove Nominal Width | 0.279 INCHES SECOND END IN |
| Spline Pitch Diameter | 0.8500 INCHES NOMINAL BOTH ENDS IN |
| Face Nominal Width | 0.258 INCHES 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 |
| Reference | Meaning |
|---|---|
| 710018 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-01-175-9510 is a Gear,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-175-9510: Bore Nominal Diameter: 0.870 INCHES BOTH ENDS IN; Hub Nominal Diameter: 1.383 INCHES SECOND END IN; Teeth Quantity: 34; Body Style: WEBBED, OFFSET, SOLID. 25 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 3020-01-175-9510 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.