The Gear,spur, cataloged under National Stock Number 3020-00-088-3063, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-088-3063 |
| Primary Part Number | 59A73C265 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.3746 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.562 INCHES FIRST END IN |
| Teeth Quantity | 72 |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Mounting Hole Type and Quantity | 1 THREADED TRANSVERSELY THROUGH HUB FIRST END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.3750 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUB |
| Material Document and Classification | ASTM-B-139-52 GRB1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.2500 INCHES NOMINAL IN |
| Hub Style Designator | PINNED FIRST END |
| Nominal Outside Diameter | 1.156 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | COPPER ALLOY 534 OVERALL |
| 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 |
NSN 3020-00-088-3063 is a Gear,spur, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-088-3063 has 2 manufacturer part numbers on file: 59A73C265 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 59A73C265 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 59A73C265: Bore Nominal Diameter: 0.3746 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.562 INCHES FIRST END IN; Teeth Quantity: 72; Body Style: PLAIN, SOLID. 15 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.