The Gear,spur, cataloged under National Stock Number 3020-01-013-0574, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-01-013-0574 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Hub Nominal Diameter | 0.7600 INCHES FIRST END IN |
| Teeth Quantity | 58 |
| Body Style | WEBBED, WITH LIGHTENING HOLES |
| Bore Style | FLATTED SIDES BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.0900 INCHES SECOND END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.3420 INCHES FIRST END IN |
| Style Designator | FLUSH HUB |
| Material Document and Classification | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 2.9000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Features Provided | CASEHARDENED |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 2.9600 INCHES IN |
| Nominal Radius | 0.025 INCHES BOTH ENDS IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 4340 OVERALL |
| Face Nominal Width | 0.160 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 |
|---|---|
| 3860008-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-01-013-0574 is a Gear,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-013-0574: Hub Nominal Diameter: 0.7600 INCHES FIRST END IN; Teeth Quantity: 58; Body Style: WEBBED, WITH LIGHTENING HOLES; Bore Style: FLATTED SIDES BOTH ENDS. 17 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.