The Gear,spur, cataloged under National Stock Number 3020-01-522-3515, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-522-3515 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Teeth Quantity | 36 |
| Style Designator | HUBLESS |
| Tooth Form | STANDARD |
| 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 |
|---|---|
| P12615040 | C/1 Advisory reference — outside the item-of-supply concept Fairbanks Morse, Llc |
| P12615040 | 3/9 Design control — primary reference U.S. Government activity |
NSN 3020-01-522-3515 is a Gear,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-522-3515: Teeth Quantity: 36; Style Designator: HUBLESS; Tooth Form: STANDARD; Special Features: CARBURIZE TEMPER AND STRAIGHTEN GEAR TEETH; CARBURIZED DEPTH .03 TO .05; ELECTROLYTIC POLISHING OF GEAR TEETH AFTER STRAIGHTENING; CORE TREATED TO 128000 TO 170700 PSI REF 240 TO 340 BHN. 3 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.