The Gear,spur, cataloged under National Stock Number 3020-00-902-5240, 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 Altra Industrial Motion Corp.. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-00-902-5240 |
| Primary Part Number | Y2424 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Altra Industrial Motion Corp. |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.250 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.656 INCHES FIRST END IN |
| Backlash Designation | GRADE C |
| Teeth Quantity | 24 |
| Body Style | PLAIN, WITH LIGHTENING HOLES |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.250 INCHES FIRST END IN |
| Precision Classification | QUALITY NUMBER 10 |
| Style Designator | PROTRUDING HUB |
| Pitch Diameter | 1.0000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 1.083 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | COPPER ALLOY OVERALL |
| Face Nominal Width | 0.250 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 |
| Part Number | Manufacturer |
|---|---|
| Y2424 PRIMARY | Altra Industrial Motion Corp. (USA) |
| Reference | Meaning |
|---|---|
| 71041-Y2424 | C/1 Advisory reference — outside the item-of-supply concept Altra Industrial Motion Corp. |
NSN 3020-00-902-5240 is a Gear,spur, manufactured by Altra Industrial Motion Corp., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-902-5240 has 1 manufacturer part number on file: Y2424 (Altra Industrial Motion Corp.).
Key specifications for Y2424: Bore Nominal Diameter: 0.250 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.656 INCHES FIRST END IN; Backlash Designation: GRADE C; Teeth Quantity: 24. 16 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.