The Gear,spur, cataloged under National Stock Number 3020-00-289-7815, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Grimes Aerospace Company. Government technical data includes 21 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 | 3020-00-289-7815 |
| Primary Part Number | A6423 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Grimes Aerospace Company |
| Status | ACTIVE |
| Attachment Method | MOUNTING HOLE |
| Pitch Diameter | 0.4136 INCHES MINIMUM AND 0.4166 INCHES MAXIMUM IN |
| Pressure Angle | 14.5000 DEGREES |
| Mounting Hole Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH HUB FIRST END |
| Material | COPPER ALLOY 854 OVERALL |
| Bore Style | PLAIN BOTH ENDS |
| Tooth Form | STANDARD |
| Style Designator | PROTRUDING HUB |
| Mounting Hole Thread Quantity Per Inch | 40 TRANSVERSELY THROUGH HUB FIRST END |
| Material Document and Classification | QQ-B-621,CL B FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter | 0.456 INCHES IN |
| Hub Style Designator | PLAIN FIRST END |
| Mounting Hole Type and Quantity | 2 THREADED TRANSVERSELY THROUGH HUB FIRST END |
| Mounting Hole Nominal Thread Size | 0.112 INCHES TRANSVERSELY THROUGH HUB FIRST END IN |
| Bore Nominal Diameter | 0.125 INCHES BOTH ENDS IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.156 INCHES FIRST END IN |
| Teeth Quantity | 20 |
| Face Nominal Width | 0.138 INCHES IN |
| Hub Nominal Diameter | 0.355 INCHES FIRST END IN |
| Nominal Overall Length | 0.294 INCHES IN |
| Body Style | PLAIN, SOLID |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| A6423 PRIMARY | Grimes Aerospace Company (USA) |
NSN 3020-00-289-7815 is a Gear,spur, manufactured by Grimes Aerospace Company, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-289-7815 has 1 cross-referenced part number: A6423 (Grimes Aerospace Company).
There is 1 known substitute for 3020-00-289-7815: 5365-00-662-3801. Verify interchangeability with system specifications before substitution.
Key specifications for A6423: Attachment Method: MOUNTING HOLE; Pitch Diameter: 0.4136 INCHES MINIMUM AND 0.4166 INCHES MAXIMUM IN; Pressure Angle: 14.5000 DEGREES; Mounting Hole Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH HUB FIRST END. 21 total characteristics are documented in the Federal Logistics Information System.