The Gear,spur, cataloged under National Stock Number 3020-01-499-0637, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-01-499-0637 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.1873 INCHES BETWEEN BODY AND FLANGE IN |
| Hub Nominal Diameter | 0.312 INCHES BETWEEN BODY AND FLANGE IN |
| Teeth Quantity | 48 |
| Nominal Distance Between Body Face and Protruding Hub End | 0.406 INCHES BETWEEN BODY AND FLANGE IN |
| Style Designator | PROTRUDING HUB, RECESSED BODY |
| Pitch Diameter | 1.5000 INCHES NOMINAL IN |
| Hub Style Designator | SPLIT BETWEEN BODY AND FLANGE |
| Nominal Outside Diameter | 1.563 INCHES IN |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Attachment Method | CLAMP |
| Face Nominal Width | 0.125 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 |
|---|---|
| 32HT48A | 3/9 Design control — primary reference Allied Devices Corp Dba Absolute Precision Co |
NSN 3020-01-499-0637 is a Gear,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-499-0637: Bore Nominal Diameter: 0.1873 INCHES BETWEEN BODY AND FLANGE IN; Hub Nominal Diameter: 0.312 INCHES BETWEEN BODY AND FLANGE IN; Teeth Quantity: 48; Nominal Distance Between Body Face and Protruding Hub End: 0.406 INCHES BETWEEN BODY AND FLANGE IN. 11 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.