The Gear,spur, cataloged under National Stock Number 3020-01-376-1109, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-01-376-1109 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.281 INCHES BOTH ENDS IN |
| Teeth Quantity | 44 |
| Hardness Rating | 85.0 ROCKWELL C MINIMUM AND 90.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | MIL-S-7493 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.3750 INCHES NOMINAL IN |
| Nominal Outside Diameter | 1.430 INCHES IN |
| Surface Treatment | PHOSPHATE OVERALL |
| Pressure Angle | 25.0000 DEGREES |
| Material | STEEL COMP 4620 OVERALL |
| 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 |
|---|---|
| 101413-1A | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-01-376-1109 is a Gear,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-376-1109: Bore Nominal Diameter: 0.281 INCHES BOTH ENDS IN; Teeth Quantity: 44; Hardness Rating: 85.0 ROCKWELL C MINIMUM AND 90.0 ROCKWELL C MAXIMUM OVERALL; Material Document and Classification: MIL-S-7493 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 9 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.