The Gear,spur, cataloged under National Stock Number 3020-01-050-0894, 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17 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-050-0894 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Bore Nominal Diameter | 1.501 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 1.850 INCHES BOTH ENDS IN |
| Nominal Distance Between Body Face and Recessed Hub End | 0.235 INCHES FIRST END IN |
| Teeth Quantity | 35 |
| Body Style | WEBBED, OFFSET, SOLID |
| Bore Style | INVOLUTE SPLINE BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.670 INCHES SECOND END IN |
| Precision Classification | QUALITY NUMBER 12 |
| Hardness Rating | 52.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | CONE SHAPE BODY, PROTRUDING HUB, RECESSED HUB |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN FIRST END |
| Spline Quantity | 23 BOTH ENDS |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL UNS K44315 OVERALL |
| Spline Pitch Diameter | 1.4375 INCHES NOMINAL BOTH ENDS IN |
| Face Nominal Width | 0.190 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Reference | Meaning |
|---|---|
| 209-040-035-3 | 5/9 Secondary reference U.S. Government activity |
| 209-040-035-003 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-01-050-0894 is a Gear,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-050-0894: Bore Nominal Diameter: 1.501 INCHES BOTH ENDS IN; Hub Nominal Diameter: 1.850 INCHES BOTH ENDS IN; Nominal Distance Between Body Face and Recessed Hub End: 0.235 INCHES FIRST END IN; Teeth Quantity: 35. 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.
NSN 3020-01-050-0894 has DEMIL Code B. 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.