The Gear,spur, cataloged under National Stock Number 3020-00-174-5592, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-174-5592 |
| Primary Part Number | 637539 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.250 INCHES BOTH ENDS IN |
| Bore Style | PLAIN BOTH ENDS |
| Hub Nominal Diameter | 0.313 INCHES FIRST END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.283 INCHES FIRST END IN |
| Material | STEEL COMP 303 OVERALL |
| Tooth Form | STANDARD |
| Pressure Angle | 14.5000 DEGREES |
| Hub Style Designator | SPLIT FIRST END |
| Material Document and Classification | QQ-S-763,CLASS 7,TYPE A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Body Style | PLAIN, SOLID |
| Surface Treatment | PASSIVATE OVERALL |
| Face Nominal Width | 0.175 INCHES IN |
| Nominal Outside Diameter | 0.969 INCHES IN |
| Pitch Diameter | 0.9052 INCHES MINIMUM AND 0.9062 INCHES MAXIMUM IN |
| Style Designator | PROTRUDING HUB |
| Attachment Method | CLAMP |
| Clamping Surface Nominal Length | 0.250 INCHES FIRST END IN |
| Teeth Quantity | 29 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 637539 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 3020-00-174-5592 is a Gear,spur, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-174-5592 has 1 cross-referenced part number: 637539 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
There is 1 known substitute for 3020-00-174-5592: 3110-00-143-7579. Verify interchangeability with system specifications before substitution.
Key specifications for 637539: Bore Nominal Diameter: 0.250 INCHES BOTH ENDS IN; Bore Style: PLAIN BOTH ENDS; Hub Nominal Diameter: 0.313 INCHES FIRST END IN; Nominal Distance Between Body Face and Protruding Hub End: 0.283 INCHES FIRST END IN. 18 total characteristics are documented in the Federal Logistics Information System.