The Gear,spur, cataloged under National Stock Number 3020-00-920-3049, 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 Air Armament Center/ En. Government technical data includes 20 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-920-3049 |
| Primary Part Number | 63C10806 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Air Armament Center/ En |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.314 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.520 INCHES FIRST END IN |
| Teeth Quantity | 14 |
| Body Style | PLAIN, SOLID |
| Bore Style | STRAIGHT SPLINE BOTH ENDS |
| Mounting Hole Type and Quantity | 2 PLAIN TRANSVERSELY THROUGH HUB FIRST END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.225 INCHES FIRST END IN |
| Mounting Hole Nominal Diameter | 0.130 INCHES TRANSVERSELY THROUGH HUB FIRST END IN |
| Hardness Rating | 33.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Overall Length | 0.625 INCHES IN |
| Style Designator | PROTRUDING HUB |
| Pitch Diameter | 0.7000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 0.817 INCHES IN |
| Surface Treatment | PHOSPHATE OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 0.395 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 63C10806 PRIMARY | Air Armament Center/ En (USA) |
| Reference | Meaning |
|---|---|
| 63C10806 | 5/9 Secondary reference U.S. Government activity |
| 63C10806 | 5/9 Secondary reference Springfield Armory |
NSN 3020-00-920-3049 is a Gear,spur, manufactured by Air Armament Center/ En, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-920-3049 has 1 manufacturer part number on file: 63C10806 (Air Armament Center/ En).
Key specifications for 63C10806: Bore Nominal Diameter: 0.314 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.520 INCHES FIRST END IN; Teeth Quantity: 14; Body Style: PLAIN, SOLID. 20 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 3020-00-920-3049 has DEMIL Code D. 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.