The Gear,spur, cataloged under National Stock Number 3020-00-528-7497, 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 24 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-528-7497 |
| Primary Part Number | 451438 |
| 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 |
| Furnished Items and Quantity | 2 LUBRICANT IMPREGNATED BEARING |
| Bore Nominal Diameter | 0.6257 INCHES BOTH ENDS IN |
| Teeth Quantity | 97 |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.115 INCHES SECOND END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.3775 INCHES FIRST END IN |
| First Step Nominal Length | 0.110 INCHES SECOND END IN |
| First Step Nominal Length | 0.3725 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUBS |
| Material Document and Classification | MIL-S-890,CLASS BS MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 3.0312 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| First Step Nominal Diameter | 1.125 INCHES FIRST END IN |
| First Step Nominal Diameter | 0.125 INCHES SECOND END IN |
| Hub Style Designator | 1 STEP BOTH ENDS |
| End Nominal Length | 0.005 INCHES SECOND END IN |
| End Nominal Length | 0.005 INCHES FIRST END IN |
| Nominal Outside Diameter | 3.092 INCHES IN |
| End Nominal Diameter | 0.7515 INCHES FIRST END IN |
| End Nominal Diameter | 0.7515 INCHES SECOND END IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | STEEL OVERALL |
| Face Nominal Width | 0.248 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 |
| Part Number | Manufacturer |
|---|---|
| 451438 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 3020-00-528-7497 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 3020-00-528-7497 has 1 manufacturer part number on file: 451438 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 451438: Furnished Items and Quantity: 2 LUBRICANT IMPREGNATED BEARING; Bore Nominal Diameter: 0.6257 INCHES BOTH ENDS IN; Teeth Quantity: 97; Body Style: PLAIN, SOLID. 24 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.